[v2] testsuite: introduce hostedlib effective target

diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi
index 7c7094dc5a922..b8beb381ae910 100644
--- a/gcc/doc/sourcebuild.texi
+++ b/gcc/doc/sourcebuild.texi
@@ -2808,6 +2808,10 @@  Target is @samp{freestanding} as defined in section 4 of the C99 standard.
 Effectively, it is a target which supports no extra headers or libraries
 other than what is considered essential.
 
+@item hostedlib
+Target is not @samp{freestanding}, and, if the language is C++,
+@code{libstdc++}'s hosted mode is not disabled.
+
 @item gettimeofday
 Target supports @code{gettimeofday}.
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/allocation-size-1.c b/gcc/testsuite/c-c++-common/analyzer/allocation-size-1.c
index 5b4e739278254..a9d375d2edc2b 100644
--- a/gcc/testsuite/c-c++-common/analyzer/allocation-size-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/allocation-size-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <stdint.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/allocation-size-2.c b/gcc/testsuite/c-c++-common/analyzer/allocation-size-2.c
index a9f92cf2d02ca..cee9208c8a8a9 100644
--- a/gcc/testsuite/c-c++-common/analyzer/allocation-size-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/allocation-size-2.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-fine-grained" }
+   { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
    -fanalyzer-fine-grained is currently required; see PR analyzer/107851.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/allocation-size-3.c b/gcc/testsuite/c-c++-common/analyzer/allocation-size-3.c
index 4e99e881dff7d..9d06d4b30d211 100644
--- a/gcc/testsuite/c-c++-common/analyzer/allocation-size-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/allocation-size-3.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-fine-grained" }
+   { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
    -fanalyzer-fine-grained is currently required; see PR analyzer/107851.  */
 
 /* { dg-additional-options -Wno-analyzer-out-of-bounds } */
diff --git a/gcc/testsuite/c-c++-common/analyzer/allocation-size-4.c b/gcc/testsuite/c-c++-common/analyzer/allocation-size-4.c
index 7d07ba67316cf..3dbf13e40123b 100644
--- a/gcc/testsuite/c-c++-common/analyzer/allocation-size-4.c
+++ b/gcc/testsuite/c-c++-common/analyzer/allocation-size-4.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include <stdint.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-0.c b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-0.c
index acc41567f48d0..c1a3ca753e699 100644
--- a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-0.c
+++ b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-0.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -fanalyzer-verbosity=0" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-1.c b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-1.c
index 27b885dc95548..ac8df5f688ca5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-1.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -fanalyzer-verbosity=1" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-2.c b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-2.c
index d2dc522cc1aac..e03e3cdbe59f0 100644
--- a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-2.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -fanalyzer-verbosity=2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-3.c b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-3.c
index 3661f1fd485b1..dd8226f51a7c7 100644
--- a/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/analyzer-verbosity-3.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -fanalyzer-verbosity=3" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/call-summaries-1.c b/gcc/testsuite/c-c++-common/analyzer/call-summaries-1.c
index a64b230cef32e..643a316429159 100644
--- a/gcc/testsuite/c-c++-common/analyzer/call-summaries-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/call-summaries-1.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-call-summaries" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/call-summaries-malloc.c b/gcc/testsuite/c-c++-common/analyzer/call-summaries-malloc.c
index 15c4c2e8fccc3..6522c37e108bc 100644
--- a/gcc/testsuite/c-c++-common/analyzer/call-summaries-malloc.c
+++ b/gcc/testsuite/c-c++-common/analyzer/call-summaries-malloc.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-call-summaries --param analyzer-min-snodes-for-call-summary=0" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 /* There need to be at least two calls to a function for the
    call-summarization code to be used.
diff --git a/gcc/testsuite/c-c++-common/analyzer/callbacks-1.c b/gcc/testsuite/c-c++-common/analyzer/callbacks-1.c
index 52c8fde540a7d..763027c714ae9 100644
--- a/gcc/testsuite/c-c++-common/analyzer/callbacks-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/callbacks-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 /* Reproducer for PR analyzer/97258: we should report the double-free
    inside a static callback if the callback escapes.  */
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/callbacks-2.c b/gcc/testsuite/c-c++-common/analyzer/callbacks-2.c
index 98915ee617bd2..772187311b768 100644
--- a/gcc/testsuite/c-c++-common/analyzer/callbacks-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/callbacks-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 /* Reproducer for PR analyzer/97258: we should report the double-free
    inside a static callback if the callback is accessible via a global
    initializer.  */
diff --git a/gcc/testsuite/c-c++-common/analyzer/capacity-1.c b/gcc/testsuite/c-c++-common/analyzer/capacity-1.c
index cfee1159826a5..76905a623f214 100644
--- a/gcc/testsuite/c-c++-common/analyzer/capacity-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/capacity-1.c
@@ -1,5 +1,6 @@ 
 /* { dg-require-effective-target alloca } */
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include "../../gcc.dg/analyzer/analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/capacity-2.c b/gcc/testsuite/c-c++-common/analyzer/capacity-2.c
index fbdb61a991e03..7d2de4ed8ad6c 100644
--- a/gcc/testsuite/c-c++-common/analyzer/capacity-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/capacity-2.c
@@ -1,4 +1,5 @@ 
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include "analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/capacity-3.c b/gcc/testsuite/c-c++-common/analyzer/capacity-3.c
index c099ff5725d80..2fcf70791f4cb 100644
--- a/gcc/testsuite/c-c++-common/analyzer/capacity-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/capacity-3.c
@@ -1,4 +1,5 @@ 
 /* { dg-require-effective-target alloca } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include "analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/compound-assignment-1.c b/gcc/testsuite/c-c++-common/analyzer/compound-assignment-1.c
index b7389e2808371..9ff95d35d18d1 100644
--- a/gcc/testsuite/c-c++-common/analyzer/compound-assignment-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/compound-assignment-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 struct ptr_wrapper
diff --git a/gcc/testsuite/c-c++-common/analyzer/data-model-14.c b/gcc/testsuite/c-c++-common/analyzer/data-model-14.c
index 1dbcb70112303..9400ae2fd7abb 100644
--- a/gcc/testsuite/c-c++-common/analyzer/data-model-14.c
+++ b/gcc/testsuite/c-c++-common/analyzer/data-model-14.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void *global_ptr;
diff --git a/gcc/testsuite/c-c++-common/analyzer/data-model-20.c b/gcc/testsuite/c-c++-common/analyzer/data-model-20.c
index 59f62853ad6a8..dd7996bd16058 100644
--- a/gcc/testsuite/c-c++-common/analyzer/data-model-20.c
+++ b/gcc/testsuite/c-c++-common/analyzer/data-model-20.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-Wno-analyzer-too-complex" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/data-model-5d.c b/gcc/testsuite/c-c++-common/analyzer/data-model-5d.c
index b4d77a939bc93..a86d5060c7a6e 100644
--- a/gcc/testsuite/c-c++-common/analyzer/data-model-5d.c
+++ b/gcc/testsuite/c-c++-common/analyzer/data-model-5d.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* A toy re-implementation of CPython's object model.  */
 
 #include <stddef.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/disabling.c b/gcc/testsuite/c-c++-common/analyzer/disabling.c
index a696d1e021e06..6f3a50e119601 100644
--- a/gcc/testsuite/c-c++-common/analyzer/disabling.c
+++ b/gcc/testsuite/c-c++-common/analyzer/disabling.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 /* Verify that we can override -fanalyzer with -fno-analyzer.  */
 /* { dg-additional-options "-fno-analyzer" } */
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/dump-state.c b/gcc/testsuite/c-c++-common/analyzer/dump-state.c
index 618a5a9d7810f..09490be0cc323 100644
--- a/gcc/testsuite/c-c++-common/analyzer/dump-state.c
+++ b/gcc/testsuite/c-c++-common/analyzer/dump-state.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Verify that __analyzer_dump_state works as expected.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/edges-2.c b/gcc/testsuite/c-c++-common/analyzer/edges-2.c
index 847a70883fb63..7e4543c24c30f 100644
--- a/gcc/testsuite/c-c++-common/analyzer/edges-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/edges-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 int foo ();
diff --git a/gcc/testsuite/c-c++-common/analyzer/first-field-2.c b/gcc/testsuite/c-c++-common/analyzer/first-field-2.c
index 8661e6e9efd03..52b9df23ae4e4 100644
--- a/gcc/testsuite/c-c++-common/analyzer/first-field-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/first-field-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* A toy re-implementation of CPython's object model.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/flex-with-call-summaries.c b/gcc/testsuite/c-c++-common/analyzer/flex-with-call-summaries.c
index cbb953ad06ace..b4124c963d184 100644
--- a/gcc/testsuite/c-c++-common/analyzer/flex-with-call-summaries.c
+++ b/gcc/testsuite/c-c++-common/analyzer/flex-with-call-summaries.c
@@ -7,6 +7,7 @@ 
 /* { dg-additional-options "-Wno-analyzer-too-complex" } */
 /* { dg-additional-options "-Wno-analyzer-symbol-too-complex" } */
 /* { dg-additional-options "-D_POSIX_SOURCE" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 /* A lexical scanner generated by flex */
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/flex-without-call-summaries.c b/gcc/testsuite/c-c++-common/analyzer/flex-without-call-summaries.c
index c6ecb25d25d59..092d784862197 100644
--- a/gcc/testsuite/c-c++-common/analyzer/flex-without-call-summaries.c
+++ b/gcc/testsuite/c-c++-common/analyzer/flex-without-call-summaries.c
@@ -6,6 +6,8 @@ 
 /* { dg-additional-options "-Wno-analyzer-too-complex" } */
 /* { dg-additional-options "-D_POSIX_SOURCE" } */
 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 
 /* A lexical scanner generated by flex */
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/flexible-array-member-1.c b/gcc/testsuite/c-c++-common/analyzer/flexible-array-member-1.c
index d794336198b82..72df154a85a67 100644
--- a/gcc/testsuite/c-c++-common/analyzer/flexible-array-member-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/flexible-array-member-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include <string.h>
 #include "../../gcc.dg/analyzer/analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/function-ptr-2.c b/gcc/testsuite/c-c++-common/analyzer/function-ptr-2.c
index 0a1e845d6c55f..76f5bd0c24554 100644
--- a/gcc/testsuite/c-c++-common/analyzer/function-ptr-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/function-ptr-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include "../../gcc.dg/analyzer/analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/function-ptr-3.c b/gcc/testsuite/c-c++-common/analyzer/function-ptr-3.c
index 348ee4a0cb3f4..62ba89ee3d96d 100644
--- a/gcc/testsuite/c-c++-common/analyzer/function-ptr-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/function-ptr-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 typedef void *(*alloc_func_t) (size_t);
diff --git a/gcc/testsuite/c-c++-common/analyzer/function-ptr-4.c b/gcc/testsuite/c-c++-common/analyzer/function-ptr-4.c
index 016351a83f6bf..1ba080d643341 100644
--- a/gcc/testsuite/c-c++-common/analyzer/function-ptr-4.c
+++ b/gcc/testsuite/c-c++-common/analyzer/function-ptr-4.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 /* Test to see if the analyzer detect and analyze calls via 
    function pointers or not.  */
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/gzio.c b/gcc/testsuite/c-c++-common/analyzer/gzio.c
index 54efa77d05617..43511704e7c32 100644
--- a/gcc/testsuite/c-c++-common/analyzer/gzio.c
+++ b/gcc/testsuite/c-c++-common/analyzer/gzio.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 typedef struct z_stream_s {
   unsigned char *next_out;
diff --git a/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c b/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c
index cbe26589db009..b093a3c4d2ab9 100644
--- a/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/imprecise-floating-point-1.c
@@ -1,4 +1,5 @@ 
 /* { dg-require-effective-target alloca } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/leak-2.c b/gcc/testsuite/c-c++-common/analyzer/leak-2.c
index d12850cdc6a54..3bba4132a3c30 100644
--- a/gcc/testsuite/c-c++-common/analyzer/leak-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/leak-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include "../../gcc.dg/analyzer/analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/leak-3.c b/gcc/testsuite/c-c++-common/analyzer/leak-3.c
index d11cc03b36f0d..a386d887f3329 100644
--- a/gcc/testsuite/c-c++-common/analyzer/leak-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/leak-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 /* Reduced from Juliet 1.3's CWE415_Double_Free__malloc_free_char_67a.c
diff --git a/gcc/testsuite/c-c++-common/analyzer/leak-4.c b/gcc/testsuite/c-c++-common/analyzer/leak-4.c
index ba5f2d26f4b40..5ee3c310d5b67 100644
--- a/gcc/testsuite/c-c++-common/analyzer/leak-4.c
+++ b/gcc/testsuite/c-c++-common/analyzer/leak-4.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Various tests of memory leak detection.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/loop-0-up-to-n-by-1-with-iter-obj.c b/gcc/testsuite/c-c++-common/analyzer/loop-0-up-to-n-by-1-with-iter-obj.c
index 1b657697ef407..e169cd44aa17d 100644
--- a/gcc/testsuite/c-c++-common/analyzer/loop-0-up-to-n-by-1-with-iter-obj.c
+++ b/gcc/testsuite/c-c++-common/analyzer/loop-0-up-to-n-by-1-with-iter-obj.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 #include "../../gcc.dg/analyzer/analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/loop-3.c b/gcc/testsuite/c-c++-common/analyzer/loop-3.c
index 0bcf70746232f..a07f0f4ce01ce 100644
--- a/gcc/testsuite/c-c++-common/analyzer/loop-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/loop-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void test(int c)
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-3.c b/gcc/testsuite/c-c++-common/analyzer/malloc-3.c
index f4e647b25aa2c..becdafa7082c2 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 /* Don't complain about leaks due to exiting from "main".  */
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-5.c b/gcc/testsuite/c-c++-common/analyzer/malloc-5.c
index 3b2a4527ab587..af7aca8e307c4 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-5.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-5.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void test (void)
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-401-example.c b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-401-example.c
index cfb5e86260c1c..4caa5a001848e 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-401-example.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-401-example.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Example adapted from https://cwe.mitre.org/data/definitions/401.html
    which states "Copyright © 2006–2022, The MITRE Corporation. CWE, CWSS, CWRAF, and the CWE logo are trademarks of The MITRE Corporation."
    and which has this on:
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-415-examples.c b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-415-examples.c
index 51d878a17c363..4fb2788cf7b27 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-415-examples.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-415-examples.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Example adapted from https://cwe.mitre.org/data/definitions/415.html
    which states "Copyright © 2006–2022, The MITRE Corporation. CWE, CWSS, CWRAF, and the CWE logo are trademarks of The MITRE Corporation."
    and which has this on:
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-416-examples.c b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-416-examples.c
index 3f5e5e2603357..bf8878c4ec575 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-416-examples.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-416-examples.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Examples adapted from https://cwe.mitre.org/data/definitions/416.html
    which states "Copyright © 2006–2022, The MITRE Corporation. CWE, CWSS, CWRAF, and the CWE logo are trademarks of The MITRE Corporation."
    and which has this on:
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-590-examples.c b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-590-examples.c
index 11ab017c12aea..f9d2da120907c 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-590-examples.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-CWE-590-examples.c
@@ -1,5 +1,6 @@ 
 /* { dg-additional-options "-Wno-free-nonheap-object" } */
 /* { dg-require-effective-target size32plus } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 /* Examples adapted from https://cwe.mitre.org/data/definitions/590.html
    which states "Copyright © 2006–2022, The MITRE Corporation. CWE, CWSS, CWRAF, and the CWE logo are trademarks of The MITRE Corporation."
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c b/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c
index ccd6c01194f30..0ba4f3824c621 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-callbacks.c
@@ -1,4 +1,5 @@ 
 /* { dg-require-effective-target alloca } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-dce.c b/gcc/testsuite/c-c++-common/analyzer/malloc-dce.c
index 1b4b8788b86b8..7f5ec67877f49 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-dce.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-dce.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-dedupe-1.c b/gcc/testsuite/c-c++-common/analyzer/malloc-dedupe-1.c
index 233ab485b5afb..8653c67b08b56 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-dedupe-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-dedupe-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 extern void foo (void);
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-in-loop.c b/gcc/testsuite/c-c++-common/analyzer/malloc-in-loop.c
index b10715770243c..e7179f09a1d1d 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-in-loop.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-in-loop.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include "../../gcc.dg/analyzer/analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-1.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-1.c
index ad536ce5f02f0..ee6e0e01876cf 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void *
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-10.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-10.c
index f3a5be51ff10d..e3d4f6a3dee7e 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-10.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-10.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-11.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-11.c
index 60501034bc320..e1bd58471a0a5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-11.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-11.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-12.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-12.c
index 3813c9ae45ea8..6bdbcc47672fa 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-12.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-12.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void recursive_free (void *ptr)
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-13a.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-13a.c
index d74ef59c7cf35..0b5304ea6d050 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-13a.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-13a.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-verbosity=1" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-2.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-2.c
index 800dd63a031a0..f2496c30553c9 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-2.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-verbosity=1" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-3.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-3.c
index 3dcfae8f0a296..7ff42b814400f 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void *
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-4.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-4.c
index bd03d607872e1..535979c7e0a69 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-4.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-4.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 static void calls_free(int *q)
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-5.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-5.c
index ca8e6a511f5ef..5c1cc1a0ef424 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-5.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-5.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 static int *calls_malloc(void)
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-6.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-6.c
index 62f8b55c3643b..ad22a365fee06 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-6.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-6.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void *
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-7.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-7.c
index 1fe70ddc8b2c9..b80ae03598896 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-7.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-7.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 /**************************************************************************/
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-9.c b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-9.c
index a0c78fd6c4ec7..455f6ec82c496 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-9.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-ipa-9.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-path-format=none -fanalyzer-verbosity=1" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-macro-inline-events.c b/gcc/testsuite/c-c++-common/analyzer/malloc-macro-inline-events.c
index 8620bc919a5b6..8e71c4144cd0d 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-macro-inline-events.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-macro-inline-events.c
@@ -1,6 +1,7 @@ 
 /* Test path-printing in the face of macros.  */
 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include "malloc-macro.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-macro-separate-events.c b/gcc/testsuite/c-c++-common/analyzer/malloc-macro-separate-events.c
index 647b29c3aa40c..2ab169e7e03ed 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-macro-separate-events.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-macro-separate-events.c
@@ -1,6 +1,7 @@ 
 /* Test path-printing in the face of macros.  */
 
 /* { dg-additional-options "-fdiagnostics-path-format=separate-events" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include "malloc-macro.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-many-paths-3.c b/gcc/testsuite/c-c++-common/analyzer/malloc-many-paths-3.c
index e5d27a4a33a69..6ee30f3c86aba 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-many-paths-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-many-paths-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 extern int foo (void);
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-meaning-1.c b/gcc/testsuite/c-c++-common/analyzer/malloc-meaning-1.c
index 4964e25fe1086..a0bc30ad4f236 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-meaning-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-meaning-1.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-verbose-state-changes" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-1.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-1.c
index 0436928238c2c..2c09c11f050c7 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Verify that we emit sane paths for state machine errors.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-2.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-2.c
index 27098da1996db..af57085243a97 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 /* Verify that we emit sane paths for state machine errors.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-3.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-3.c
index 8f9e4cff6e2b2..22fabbd1eafa0 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Verify that we emit sane paths for state machine errors.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-4.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-4.c
index 7b7803eac45ad..6976fce7ec665 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-4.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-4.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 /* Verify that we emit sane paths for state machine errors.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-5.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-5.c
index ca8d22be7b0d2..f03f97845c389 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-5.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-5.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdio.h>
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-6.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-6.c
index 1df6964544e27..dfed45df15d21 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-6.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-6.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void test (void *ptr)
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-7.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-7.c
index f6b99e35a43ea..766bbe7d99ad8 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-7.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-7.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 extern int foo (void);
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c
index 4988f53b94cbc..ca48834c855cf 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-8.c
@@ -1,5 +1,6 @@ 
 /* { dg-additional-options "-fanalyzer-transitivity" } */
 /* { dg-require-effective-target alloca } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stddef.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-9-noexcept.c b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-9-noexcept.c
index 57d25f436a087..fc453b124957b 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-paths-9-noexcept.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-paths-9-noexcept.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fdiagnostics-show-caret -fno-exceptions" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-sarif-1.c b/gcc/testsuite/c-c++-common/analyzer/malloc-sarif-1.c
index 19ac89f2b67cb..cee6788c266b5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-sarif-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-sarif-1.c
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-additional-options " -fno-diagnostics-json-formatting -fdiagnostics-format=sarif-file" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1a.c b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1a.c
index bf77862e67c47..4e408339d67d8 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1a.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1a.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fno-analyzer-call-summaries -fanalyzer-transitivity" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include "analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1b.c b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1b.c
index a30b8c0e08060..f4d63115929e7 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1b.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-1b.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-call-summaries" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include "analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-2.c b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-2.c
index 9001fe66cd78a..36ec5109ac7de 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include "analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-3.c b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-3.c
index 0196389d3a59a..70b3edd38f5b5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/malloc-vs-local-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include "analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-1.c b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-1.c
index 868b8ee9b410c..16b2271bb93ef 100644
--- a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include <string.h>
 #include <stdint.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-2.c b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-2.c
index e69614612fdb8..0e1aba59fef76 100644
--- a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-3.c b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-3.c
index 43df9564a76a0..e75ce1214bd25 100644
--- a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-3.c
@@ -2,6 +2,7 @@ 
    { dg-require-effective-target lp64 } */
 
 /* { dg-additional-options "-fdiagnostics-text-art-charset=unicode" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-8.c b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-8.c
index 81cd4ff3c4b18..c8ff2fd1e64c8 100644
--- a/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-8.c
+++ b/gcc/testsuite/c-c++-common/analyzer/out-of-bounds-diagram-8.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-text-art-charset=unicode" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include <stdint.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/paths-3.c b/gcc/testsuite/c-c++-common/analyzer/paths-3.c
index b5ab810e5363d..1a4a81350c199 100644
--- a/gcc/testsuite/c-c++-common/analyzer/paths-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/paths-3.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fanalyzer-transitivity" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include "analyzer-decls.h"
diff --git a/gcc/testsuite/c-c++-common/analyzer/paths-6.c b/gcc/testsuite/c-c++-common/analyzer/paths-6.c
index ef1a4e6c04d1c..766db4c40a052 100644
--- a/gcc/testsuite/c-c++-common/analyzer/paths-6.c
+++ b/gcc/testsuite/c-c++-common/analyzer/paths-6.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include "analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/paths-7.c b/gcc/testsuite/c-c++-common/analyzer/paths-7.c
index 8caaee8a3fd09..2743de5cd8c06 100644
--- a/gcc/testsuite/c-c++-common/analyzer/paths-7.c
+++ b/gcc/testsuite/c-c++-common/analyzer/paths-7.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include "analyzer-decls.h"
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr103526.c b/gcc/testsuite/c-c++-common/analyzer/pr103526.c
index 0388fc1df9994..ce8fa22a7845b 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr103526.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr103526.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr106539.c b/gcc/testsuite/c-c++-common/analyzer/pr106539.c
index 8745c1de09aea..1f49f9169eb6d 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr106539.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr106539.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void *test (void)
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr93290.c b/gcc/testsuite/c-c++-common/analyzer/pr93290.c
index fa35629d955b0..4fcc4cbfaed18 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr93290.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr93290.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } } */
+
 #include <math.h>
 
 int test_1 (void)
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr94399.c b/gcc/testsuite/c-c++-common/analyzer/pr94399.c
index e897c04a007ef..70270c37a27d5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr94399.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr94399.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 #define _cleanup_(f) __attribute__((cleanup(f)))
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr94851-1.c b/gcc/testsuite/c-c++-common/analyzer/pr94851-1.c
index 7407efa21e76d..dc2bc3a7806a5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr94851-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr94851-1.c
@@ -1,5 +1,6 @@ 
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
 /* { dg-additional-options "-O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr94851-2.c b/gcc/testsuite/c-c++-common/analyzer/pr94851-2.c
index 62176bdaee89b..af838de9355d0 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr94851-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr94851-2.c
@@ -2,6 +2,7 @@ 
    an unknown function (PR analyzer/98575).  */
 
 /* { dg-additional-options "-O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr94851-4.c b/gcc/testsuite/c-c++-common/analyzer/pr94851-4.c
index a5130c59cb007..d05d45876c9c5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr94851-4.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr94851-4.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-O2 -Wno-analyzer-symbol-too-complex" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr97608.c b/gcc/testsuite/c-c++-common/analyzer/pr97608.c
index a2bc1301097c6..ddfa0091d86c4 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr97608.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr97608.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void *f (void)
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr98918.c b/gcc/testsuite/c-c++-common/analyzer/pr98918.c
index c3bbce3e6ec18..eddc4e30684ee 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr98918.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr98918.c
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-Wno-analyzer-symbol-too-complex" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr99716-2.c b/gcc/testsuite/c-c++-common/analyzer/pr99716-2.c
index adc9819643ae4..ef7cc5fb49454 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr99716-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr99716-2.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib rand" { ! hostedlib } } */
+
 /* Reduced from
    https://github.com/libguestfs/libguestfs/blob/e0a11061035d47b118c95706240bcc17fd576edc/tests/mount-local/test-parallel-mount-local.c#L299-L335
    which is GPLv2 or later.  */
diff --git a/gcc/testsuite/c-c++-common/analyzer/pr99716-3.c b/gcc/testsuite/c-c++-common/analyzer/pr99716-3.c
index 77d450ea3be0d..414d57e3a728f 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pr99716-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pr99716-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 extern void foo (void *);
diff --git a/gcc/testsuite/c-c++-common/analyzer/pragma-1.c b/gcc/testsuite/c-c++-common/analyzer/pragma-1.c
index 2e533489405b5..821266a3c3ba5 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pragma-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pragma-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
+
 /* Verify that we can disable analyzer warnings via pragmas.  */
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/pragma-2.c b/gcc/testsuite/c-c++-common/analyzer/pragma-2.c
index 2453223d9392a..bd96a2538540f 100644
--- a/gcc/testsuite/c-c++-common/analyzer/pragma-2.c
+++ b/gcc/testsuite/c-c++-common/analyzer/pragma-2.c
@@ -1,6 +1,7 @@ 
 /* { dg-skip-if "" { powerpc*-*-aix* } } */
 /* Verify that we can disable -Wanalyzer-too-complex via pragmas.  */
 /* { dg-additional-options "-Wanalyzer-too-complex -Werror=analyzer-too-complex -fno-analyzer-state-merge -g" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/sarif-path-role.c b/gcc/testsuite/c-c++-common/analyzer/sarif-path-role.c
index d0f6cefcf4d0a..c5592776bebb1 100644
--- a/gcc/testsuite/c-c++-common/analyzer/sarif-path-role.c
+++ b/gcc/testsuite/c-c++-common/analyzer/sarif-path-role.c
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-additional-options " -fno-diagnostics-json-formatting -fdiagnostics-format=sarif-file" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/analyzer/scope-1.c b/gcc/testsuite/c-c++-common/analyzer/scope-1.c
index 09e62d46df355..7e53a1914c7e6 100644
--- a/gcc/testsuite/c-c++-common/analyzer/scope-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/scope-1.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 int test_1 (void)
diff --git a/gcc/testsuite/c-c++-common/analyzer/strndup-1.c b/gcc/testsuite/c-c++-common/analyzer/strndup-1.c
index 577ece0cfbaaa..3f90afe2ebb61 100644
--- a/gcc/testsuite/c-c++-common/analyzer/strndup-1.c
+++ b/gcc/testsuite/c-c++-common/analyzer/strndup-1.c
@@ -1,5 +1,6 @@ 
 /* { dg-skip-if "no strndup in libc" { *-*-darwin[789]* *-*-darwin10* hppa*-*-hpux* *-*-mingw* *-*-vxworks* } } */
 /* { dg-additional-options "-D_POSIX_C_SOURCE=200809L" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <string.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/taint-alloc-3.c b/gcc/testsuite/c-c++-common/analyzer/taint-alloc-3.c
index ce6a3271d2ad2..34bae28ac6aa1 100644
--- a/gcc/testsuite/c-c++-common/analyzer/taint-alloc-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/taint-alloc-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include "analyzer-decls.h"
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/taint-realloc.c b/gcc/testsuite/c-c++-common/analyzer/taint-realloc.c
index aeefb7da2c12e..d5ccb28ddd280 100644
--- a/gcc/testsuite/c-c++-common/analyzer/taint-realloc.c
+++ b/gcc/testsuite/c-c++-common/analyzer/taint-realloc.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib realloc" { ! hostedlib } } */
+
 #include "analyzer-decls.h"
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/analyzer/use-after-free-3.c b/gcc/testsuite/c-c++-common/analyzer/use-after-free-3.c
index b19fd3de49f41..d8eeb17411386 100644
--- a/gcc/testsuite/c-c++-common/analyzer/use-after-free-3.c
+++ b/gcc/testsuite/c-c++-common/analyzer/use-after-free-3.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 void test_1 (int x, int y, int *out)
diff --git a/gcc/testsuite/c-c++-common/analyzer/zlib-4.c b/gcc/testsuite/c-c++-common/analyzer/zlib-4.c
index ae2f6c9f8ad12..32d5991b42187 100644
--- a/gcc/testsuite/c-c++-common/analyzer/zlib-4.c
+++ b/gcc/testsuite/c-c++-common/analyzer/zlib-4.c
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for stdlib calloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-counter-vars-function-scope.c b/gcc/testsuite/c-c++-common/goacc/kernels-counter-vars-function-scope.c
index bce17a1011c35..dedf8481b0745 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-counter-vars-function-scope.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-counter-vars-function-scope.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-2.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-2.c
index 456a95451fa7d..9d3d6b341677c 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-2.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-2.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-3.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-3.c
index ef0c481dea096..24e5d02f7fa14 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-3.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-3.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-2.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-2.c
index a64007815c190..a9bae836567ff 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-2.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-2.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit-2.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit-2.c
index d46bba8ec3a00..aeeeb51d5c0e4 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit-2.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit-2.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit.c
index 6698980a86f3d..843c5a7105f58 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-enter-exit.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-update.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-update.c
index 9c6997f86b0a7..57e440f4e7012 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-update.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data-update.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data.c
index 0ef576521b095..896b4565ac6e4 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-data.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-data.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-g.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-g.c
index cf9f1ee6b28a4..6b89b3b88b839 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-g.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-g.c
@@ -5,6 +5,7 @@ 
 /*TODO PR100400 { dg-additional-options -fcompare-debug } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include "kernels-loop.c"
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-mod-not-zero.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-mod-not-zero.c
index eea9a735e8b54..f2787d0bf5238 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-mod-not-zero.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-mod-not-zero.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c
index a63ed8ab1fd81..caa05720afdba 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop-n.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-loop.c b/gcc/testsuite/c-c++-common/goacc/kernels-loop.c
index 2602081f2c661..75cbeed383bf1 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-loop.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-loop.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-one-counter-var.c b/gcc/testsuite/c-c++-common/goacc/kernels-one-counter-var.c
index 0d9c875f3d93b..67c19ec605528 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-one-counter-var.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-one-counter-var.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/goacc/kernels-parallel-loop-data-enter-exit.c b/gcc/testsuite/c-c++-common/goacc/kernels-parallel-loop-data-enter-exit.c
index 1dcd32fb8dc10..b2ba14d47fd1a 100644
--- a/gcc/testsuite/c-c++-common/goacc/kernels-parallel-loop-data-enter-exit.c
+++ b/gcc/testsuite/c-c++-common/goacc/kernels-parallel-loop-data-enter-exit.c
@@ -1,6 +1,7 @@ 
 /* { dg-additional-options "-O2" } */
 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
 /* { dg-additional-options "-fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/gomp/pr103642.c b/gcc/testsuite/c-c++-common/gomp/pr103642.c
index bbd0896841f66..bc6d7ac18de31 100644
--- a/gcc/testsuite/c-c++-common/gomp/pr103642.c
+++ b/gcc/testsuite/c-c++-common/gomp/pr103642.c
@@ -1,5 +1,6 @@ 
 /* PR middle-end/103642 */
 /* { dg-do compile } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/c-c++-common/gomp/target-implicit-map-2.c b/gcc/testsuite/c-c++-common/gomp/target-implicit-map-2.c
index 222272df5b1ed..b3df466a7747d 100644
--- a/gcc/testsuite/c-c++-common/gomp/target-implicit-map-2.c
+++ b/gcc/testsuite/c-c++-common/gomp/target-implicit-map-2.c
@@ -1,5 +1,7 @@ 
 /* { dg-do compile } */
 /* { dg-additional-options "-fdump-tree-gimple" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
+
 #include <stdlib.h>
 
 #define N 10
diff --git a/gcc/testsuite/c-c++-common/pr36513-2.c b/gcc/testsuite/c-c++-common/pr36513-2.c
index d81c81dd4da08..ca93f41430465 100644
--- a/gcc/testsuite/c-c++-common/pr36513-2.c
+++ b/gcc/testsuite/c-c++-common/pr36513-2.c
@@ -1,6 +1,7 @@ 
 /* PR 36513: -Wlogical-op warns about strchr */
 /* { dg-do compile } */
 /* { dg-options "-Wlogical-op" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } } */
 #ifdef __cplusplus
 #include <cstring>
 #else 
diff --git a/gcc/testsuite/c-c++-common/simulate-thread/bitfields-4.c b/gcc/testsuite/c-c++-common/simulate-thread/bitfields-4.c
index 84aad5e9e216f..6ee91aa3bc472 100644
--- a/gcc/testsuite/c-c++-common/simulate-thread/bitfields-4.c
+++ b/gcc/testsuite/c-c++-common/simulate-thread/bitfields-4.c
@@ -1,6 +1,7 @@ 
 /* { dg-do link } */
 /* { dg-options "-fno-allow-store-data-races" } */
 /* { dg-final { simulate-thread } } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib calloc" { ! hostedlib } } */
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/c-c++-common/tm/malloc.c b/gcc/testsuite/c-c++-common/tm/malloc.c
index 4312765f750d7..f8ab68954a9b9 100644
--- a/gcc/testsuite/c-c++-common/tm/malloc.c
+++ b/gcc/testsuite/c-c++-common/tm/malloc.c
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-fgnu-tm -fdump-tree-tmmark" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/g++.dg/abi/mangle36.C b/gcc/testsuite/g++.dg/abi/mangle36.C
index 1acfc879b96a9..d0f2b37dfb04f 100644
--- a/gcc/testsuite/g++.dg/abi/mangle36.C
+++ b/gcc/testsuite/g++.dg/abi/mangle36.C
@@ -1,6 +1,7 @@ 
 // PR c++/41959
 // { dg-do compile { target i?86-*-* x86_64-*-* } }
 // { dg-options "-mavx -fabi-version=4 -fabi-compat-version=4" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 // { dg-final { scan-assembler "_Z1fDv4_f" } }
 // { dg-final { scan-assembler "_Z1fDv8_f" } }
 
diff --git a/gcc/testsuite/g++.dg/abi/mangle40.C b/gcc/testsuite/g++.dg/abi/mangle40.C
index 898565ac5720a..98a1ff08a4ea2 100644
--- a/gcc/testsuite/g++.dg/abi/mangle40.C
+++ b/gcc/testsuite/g++.dg/abi/mangle40.C
@@ -3,6 +3,7 @@ 
 // { dg-require-weak "" }
 // { dg-require-alias "" }
 // { dg-options "-mavx -Wabi -fabi-version=2 -fabi-compat-version=0" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 // { dg-final { scan-assembler "(weak|glob)\[^\n\]*_Z1fIDv4_fEvT_" } }
 // { dg-final { scan-assembler "(weak|glob)\[^\n\]*_Z1fIU8__vectorfEvT_" } }
 // { dg-final { scan-assembler "(weak|glob)\[^\n\]*_ZN1AIDv4_fE1tE" } }
diff --git a/gcc/testsuite/g++.dg/abi/mangle41.C b/gcc/testsuite/g++.dg/abi/mangle41.C
index 9da72f11feb69..d11f4541f99cc 100644
--- a/gcc/testsuite/g++.dg/abi/mangle41.C
+++ b/gcc/testsuite/g++.dg/abi/mangle41.C
@@ -1,6 +1,7 @@ 
 // PR c++/41959
 // { dg-do compile { target i?86-*-* x86_64-*-* } }
 // { dg-options "-mavx -fabi-version=2" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <x86intrin.h>
 void f(__m128) { }	// { dg-message "previous mangling" }
diff --git a/gcc/testsuite/g++.dg/analyzer/cstdlib.C b/gcc/testsuite/g++.dg/analyzer/cstdlib.C
index ec6327bf884d6..072ac456405da 100644
--- a/gcc/testsuite/g++.dg/analyzer/cstdlib.C
+++ b/gcc/testsuite/g++.dg/analyzer/cstdlib.C
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib free" { ! hostedlib } } */
+
 #include <cstdlib>
 
 void test_1 (void *ptr)
diff --git a/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-default.C b/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-default.C
index 26f047d547158..483cefd6ec31d 100644
--- a/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-default.C
+++ b/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-default.C
@@ -1,4 +1,5 @@ 
 /* { dg-skip-if "no shared_ptr in C++98" { c++98_only }  } */
+/* { dg-skip-if "requires hosted libstdc++ for memory shared_ptr" { ! hostedlib } } */
 
 #include <memory>
 
diff --git a/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-no.C b/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-no.C
index fd0df31805162..10d220fa94042 100644
--- a/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-no.C
+++ b/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers-no.C
@@ -1,5 +1,6 @@ 
 /* { dg-additional-options "-fno-analyzer-show-events-in-system-headers" } */
 /* { dg-skip-if "no shared_ptr in C++98" { c++98_only }  } */
+/* { dg-skip-if "requires hosted libstdc++ for memory shared_ptr" { ! hostedlib } } */
 
 #include <memory>
 
diff --git a/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers.C b/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers.C
index aa964f93563a6..cc177e3d0bb2e 100644
--- a/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers.C
+++ b/gcc/testsuite/g++.dg/analyzer/fanalyzer-show-events-in-system-headers.C
@@ -1,5 +1,6 @@ 
 /* { dg-additional-options "-fanalyzer-show-events-in-system-headers" } */
 /* { dg-skip-if "no shared_ptr in C++98" { c++98_only }  } */
+/* { dg-skip-if "requires hosted libstdc++ for memory shared_ptr" { ! hostedlib } } */
 
 #include <memory>
 
diff --git a/gcc/testsuite/g++.dg/analyzer/malloc.C b/gcc/testsuite/g++.dg/analyzer/malloc.C
index 76baab982229c..d4ef831fe623a 100644
--- a/gcc/testsuite/g++.dg/analyzer/malloc.C
+++ b/gcc/testsuite/g++.dg/analyzer/malloc.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+/* { dg-skip-if "requires hosted libstdc++ for stdlib free" { ! hostedlib } } */
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/g++.dg/analyzer/new-vs-malloc.C b/gcc/testsuite/g++.dg/analyzer/new-vs-malloc.C
index cb0b32424ca94..943ffe03cbfe4 100644
--- a/gcc/testsuite/g++.dg/analyzer/new-vs-malloc.C
+++ b/gcc/testsuite/g++.dg/analyzer/new-vs-malloc.C
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib free" { ! hostedlib } } */
+
 #include <cstdlib>
 
 struct s {};
diff --git a/gcc/testsuite/g++.dg/analyzer/placement-new-size.C b/gcc/testsuite/g++.dg/analyzer/placement-new-size.C
index f6c7bd4de5fd2..6744ad7d27f6c 100644
--- a/gcc/testsuite/g++.dg/analyzer/placement-new-size.C
+++ b/gcc/testsuite/g++.dg/analyzer/placement-new-size.C
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-Wno-placement-new -Wno-analyzer-use-of-uninitialized-value" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <new>
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.dg/analyzer/pr93212.C b/gcc/testsuite/g++.dg/analyzer/pr93212.C
index 1029e8d547ba8..0c7c134d262aa 100644
--- a/gcc/testsuite/g++.dg/analyzer/pr93212.C
+++ b/gcc/testsuite/g++.dg/analyzer/pr93212.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 auto lol()
diff --git a/gcc/testsuite/g++.dg/analyzer/vfunc-2.C b/gcc/testsuite/g++.dg/analyzer/vfunc-2.C
index 46b68e529e6a5..ba2ac652449da 100644
--- a/gcc/testsuite/g++.dg/analyzer/vfunc-2.C
+++ b/gcc/testsuite/g++.dg/analyzer/vfunc-2.C
@@ -1,3 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 #include <cstdio>
 #include <cstdlib>
 
diff --git a/gcc/testsuite/g++.dg/analyzer/vfunc-3.C b/gcc/testsuite/g++.dg/analyzer/vfunc-3.C
index 03d3cdc73bee3..aaaf37603cf22 100644
--- a/gcc/testsuite/g++.dg/analyzer/vfunc-3.C
+++ b/gcc/testsuite/g++.dg/analyzer/vfunc-3.C
@@ -1,3 +1,5 @@ 
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
+
 #include <cstdlib>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/analyzer/vfunc-5.C b/gcc/testsuite/g++.dg/analyzer/vfunc-5.C
index 2af84657f679b..89e0c936ea51d 100644
--- a/gcc/testsuite/g++.dg/analyzer/vfunc-5.C
+++ b/gcc/testsuite/g++.dg/analyzer/vfunc-5.C
@@ -1,4 +1,5 @@ 
 /* { dg-additional-options "-fdiagnostics-show-line-numbers -fdiagnostics-path-format=inline-events -fanalyzer-checker=malloc -fdiagnostics-show-caret" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 /* { dg-enable-nn-line-numbers "" } */
 
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/cdce3.C b/gcc/testsuite/g++.dg/cdce3.C
index 4b547b5d994e0..2543317f6b244 100644
--- a/gcc/testsuite/g++.dg/cdce3.C
+++ b/gcc/testsuite/g++.dg/cdce3.C
@@ -4,9 +4,9 @@ 
 /* { dg-additional-options "-DLARGE_LONG_DOUBLE" { target large_long_double } } */
 /* { dg-additional-options "-DGNU_EXTENSION" { target pow10 } } */
 /* { dg-add-options ieee } */
-/* { dg-final { scan-tree-dump  "cdce3.C:91: .* function call is shrink-wrapped into error conditions\." "cdce" { target pow10 } } } */
+/* { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } } */
 /* { dg-final { scan-tree-dump  "cdce3.C:92: .* function call is shrink-wrapped into error conditions\." "cdce" { target pow10 } } } */
-/* { dg-final { scan-tree-dump  "cdce3.C:94: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:93: .* function call is shrink-wrapped into error conditions\." "cdce" { target pow10 } } } */
 /* { dg-final { scan-tree-dump  "cdce3.C:95: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
 /* { dg-final { scan-tree-dump  "cdce3.C:96: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
 /* { dg-final { scan-tree-dump  "cdce3.C:97: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
@@ -20,6 +20,7 @@ 
 /* { dg-final { scan-tree-dump  "cdce3.C:105: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
 /* { dg-final { scan-tree-dump  "cdce3.C:106: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
 /* { dg-final { scan-tree-dump  "cdce3.C:107: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
+/* { dg-final { scan-tree-dump  "cdce3.C:108: .* function call is shrink-wrapped into error conditions\." "cdce" } } */
 
 #include <stdlib.h>
 #include <math.h>
diff --git a/gcc/testsuite/g++.dg/concepts/expression.C b/gcc/testsuite/g++.dg/concepts/expression.C
index 90ee7cecf8573..08d84b4bf589a 100644
--- a/gcc/testsuite/g++.dg/concepts/expression.C
+++ b/gcc/testsuite/g++.dg/concepts/expression.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { target c++17 } }
 // { dg-options "-fconcepts" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include <iostream>
diff --git a/gcc/testsuite/g++.dg/concepts/fn3.C b/gcc/testsuite/g++.dg/concepts/fn3.C
index 546fa7eb85f5c..f8a992cf66201 100644
--- a/gcc/testsuite/g++.dg/concepts/fn3.C
+++ b/gcc/testsuite/g++.dg/concepts/fn3.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++17 } }
 // { dg-options "-fconcepts" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/concepts/fn9.C b/gcc/testsuite/g++.dg/concepts/fn9.C
index 63c3b5a79c6da..7f191e8edf3f7 100644
--- a/gcc/testsuite/g++.dg/concepts/fn9.C
+++ b/gcc/testsuite/g++.dg/concepts/fn9.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++17 } }
 // { dg-options "-fconcepts" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/concepts/generic-fn.C b/gcc/testsuite/g++.dg/concepts/generic-fn.C
index 9af1794b49eb0..42a53028cdf8b 100644
--- a/gcc/testsuite/g++.dg/concepts/generic-fn.C
+++ b/gcc/testsuite/g++.dg/concepts/generic-fn.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++17 } }
 // { dg-options "-fconcepts" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include <type_traits>
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-access1.C b/gcc/testsuite/g++.dg/contracts/contracts-access1.C
index fdad7b1763c0d..7f6759e542150 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-access1.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-access1.C
@@ -107,6 +107,7 @@  int main()
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function Base::b at .*.C:11: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function Base::b at .*.C:12: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function Base::b at .*.C:13: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-assume2.C b/gcc/testsuite/g++.dg/contracts/contracts-assume2.C
index 3323244fefb69..8b2f7218d1e2b 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-assume2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-assume2.C
@@ -10,6 +10,7 @@ 
 // main -- unlike contracts-ignore2 which expects a failing return code
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fcontract-role=default:never,assume,ignore -O1" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 #include <cstdio>
 
 int fun(int x) {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-assume3.C b/gcc/testsuite/g++.dg/contracts/contracts-assume3.C
index 8dad6bb562e5f..ae6845a3c48a0 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-assume3.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-assume3.C
@@ -2,6 +2,7 @@ 
 // a link failure
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int f(int t);
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-assume4.C b/gcc/testsuite/g++.dg/contracts/contracts-assume4.C
index 7954f53161219..6d06403a5c9fe 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-assume4.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-assume4.C
@@ -2,6 +2,7 @@ 
 // not cause constexpr eval failure
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 constexpr int f(int t); // { dg-warning "used but never defined" }
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-config1.C b/gcc/testsuite/g++.dg/contracts/contracts-config1.C
index 2f4fa3df6e15f..eb4b54dee4bcc 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-config1.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-config1.C
@@ -24,6 +24,7 @@  int main(int, char **)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output {contract violation in function main at .*:14: false(\n|\r\n|\r)} }
 // { dg-output {\[continue:on\](\n|\r\n|\r)} }
 // { dg-output {contract violation in function main at .*:15: false(\n|\r\n|\r)} }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-constexpr1.C b/gcc/testsuite/g++.dg/contracts/contracts-constexpr1.C
index 9d0233ba9d7e4..f37d3d390ff63 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-constexpr1.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-constexpr1.C
@@ -63,6 +63,7 @@  int main(int, char **) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function ffun at .*.C:14: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function ffun at .*.C:15: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function ftfun<int> at .*.C:38: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-deduced2.C b/gcc/testsuite/g++.dg/contracts/contracts-deduced2.C
index e67ba36a93e30..9920b5ccb0993 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-deduced2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-deduced2.C
@@ -71,6 +71,7 @@  int main(int, char**) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function g0 at .*.C:5: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function g0 at .*.C:5: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function g1 at .*.C:12: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-externC.C b/gcc/testsuite/g++.dg/contracts/contracts-externC.C
index 873056b742bb4..f27eb4365d8c6 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-externC.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-externC.C
@@ -2,6 +2,7 @@ 
 // when wrapping functions in pre- and postconditions.
 // { dg-do link }
 // { dg-options "-std=c++2a -fcontracts -fcontract-continuation-mode=on" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 volatile int x = 10;
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-friend1.C b/gcc/testsuite/g++.dg/contracts/contracts-friend1.C
index 28e269ffce9a9..33ef2dd8bc187 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-friend1.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-friend1.C
@@ -33,6 +33,7 @@  int main(int, char**) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function fn0 at .*.C:6: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function fn2 at .*.C:19: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function X::fns0 at .*.C:9: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-ignore2.C b/gcc/testsuite/g++.dg/contracts/contracts-ignore2.C
index 5cf800a355952..c085852a3f28b 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-ignore2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-ignore2.C
@@ -2,6 +2,7 @@ 
 // assumptions; see contracts-assume2 for the assumed case
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 #include <cstdio>
 
 int fun(int x) {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-multiline1.C b/gcc/testsuite/g++.dg/contracts/contracts-multiline1.C
index c58747724f5ac..b2364e4db7de9 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-multiline1.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-multiline1.C
@@ -16,4 +16,5 @@  int main(int, char **)
   ]];
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function main at .*.C:8: x < 10 && y > 123.*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-nested-class2.C b/gcc/testsuite/g++.dg/contracts/contracts-nested-class2.C
index 43e75edbef805..f058938ee8fd7 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-nested-class2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-nested-class2.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fcontract-continuation-mode=on" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 void gfn3(int n) [[ pre: n > 0 ]];
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-post2.C b/gcc/testsuite/g++.dg/contracts/contracts-post2.C
index 7665f82910709..5255d2b83c325 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-post2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-post2.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int f1(int n)
   [[post r: r == n]]
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-post3.C b/gcc/testsuite/g++.dg/contracts/contracts-post3.C
index 129232827960a..38f9e64d5d846 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-post3.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-post3.C
@@ -2,6 +2,7 @@ 
 // { dg-options "-std=c++2a -fcontracts" }
 // { dg-shouldfail "assert violation" }
 // { dg-output "contract violation in function f1" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int f1(int n)
   [[post r: r > n]]
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-post7.C b/gcc/testsuite/g++.dg/contracts/contracts-post7.C
index 1c33181b5e60d..5830c5ead1057 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-post7.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-post7.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts" }
+/* { dg-skip-if "requires hosted libstdc++ for cwchar" { ! hostedlib } } */
 
 #include <experimental/contract>
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre10.C b/gcc/testsuite/g++.dg/contracts/contracts-pre10.C
index fe855661b97b6..2b4acdf2bac9e 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre10.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre10.C
@@ -140,6 +140,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output {=================================(\n|\r\n|\r)} }
 // { dg-output {contract violation in function M::f<int> at .*:7: a > 0(\n|\r\n|\r)} }
 // { dg-output {\[continue:on\](\n|\r\n|\r)} }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre2.C b/gcc/testsuite/g++.dg/contracts/contracts-pre2.C
index d63d0712ff91b..fc78c33b8c3a6 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre2.C
@@ -174,6 +174,7 @@  namespace nonnullary
   }
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function nullary::fun at .*.C:12: .*(\n|\r\n|\r)" }
 // { dg-output "fun::x: 10(\n|\r\n|\r)" }
 // { dg-output "contract violation in function nullary::fun2 at .*.C:18: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre2a2.C b/gcc/testsuite/g++.dg/contracts/contracts-pre2a2.C
index f4319bf1bff4e..461fb6fff9325 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre2a2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre2a2.C
@@ -16,6 +16,7 @@  int main()
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function f at .*\\.C:6: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function f at .*\\.C:9: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function f at .*\\.C:7: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre3.C b/gcc/testsuite/g++.dg/contracts/contracts-pre3.C
index 70df31864f984..ff312f988fc60 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre3.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre3.C
@@ -403,6 +403,7 @@  member::S member::T1::funend(int m, double n)
   return s;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function member::T1::vfun at .*.C:37:  .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function member::T1::vfun at .*.C:38:  .*(\n|\r\n|\r)" }
 // { dg-output "vfun::x: 10(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre4.C b/gcc/testsuite/g++.dg/contracts/contracts-pre4.C
index ec26c02bff3d5..f658123aaa5ec 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre4.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre4.C
@@ -77,6 +77,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function Base::f at .*.C:7: .*(\n|\r\n|\r)" }
 // { dg-output "Base: 0(\n|\r\n|\r)" }
 // { dg-output "contract violation in function Base::f at .*.C:7: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre5.C b/gcc/testsuite/g++.dg/contracts/contracts-pre5.C
index 5030cec3c3cd7..767510150269d 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre5.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre5.C
@@ -56,6 +56,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function body<int> at .*.C:8: .*(\n|\r\n|\r)" }
 // { dg-output "-2(\n|\r\n|\r)" }
 // { dg-output "contract violation in function body<double> at .*.C:8: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre7.C b/gcc/testsuite/g++.dg/contracts/contracts-pre7.C
index 715a2c692cb0b..567444880bc13 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre7.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre7.C
@@ -108,6 +108,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function ns0::f<int> at .*.C:13: .*(\n|\r\n|\r)" }
 // { dg-output "1(\n|\r\n|\r)" }
 // { dg-output "contract violation in function ns0::ns1::f<int> at .*.C:28: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-pre9.C b/gcc/testsuite/g++.dg/contracts/contracts-pre9.C
index 4613be4e94713..3a509bc26f5de 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-pre9.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-pre9.C
@@ -108,6 +108,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function S<int>::f at .*.C:14: .*(\n|\r\n|\r)" }
 // { dg-output "s_int.f.-10.: 10(\n|\r\n|\r)" }
 // { dg-output "contract violation in function S<int>::g at .*.C:10: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-redecl3.C b/gcc/testsuite/g++.dg/contracts/contracts-redecl3.C
index ef6b1236ded65..1cf9293ecf025 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-redecl3.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-redecl3.C
@@ -160,6 +160,7 @@  namespace nondefining
   }
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function defining::T1::vfun at .*.C:25: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function defining::T1::vfun at .*.C:26: .*(\n|\r\n|\r)" }
 // { dg-output "vfun::x: 10(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-redecl4.C b/gcc/testsuite/g++.dg/contracts/contracts-redecl4.C
index e0a0c696f73cb..5f36159c7188b 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-redecl4.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-redecl4.C
@@ -33,6 +33,7 @@  int main(int, char **)
   printf("=====\n");
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function f at .*.C:10: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function f at .*.C:11: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function f at .*.C:12: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-redecl6.C b/gcc/testsuite/g++.dg/contracts/contracts-redecl6.C
index 131f039e406ea..f8eb084b57fdd 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-redecl6.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-redecl6.C
@@ -160,6 +160,7 @@  namespace nondefining
   }
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function defining::T1::vfun at .*.C:25: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function defining::T1::vfun at .*.C:26: .*(\n|\r\n|\r)" }
 // { dg-output "vfun::x: 10(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-redecl7.C b/gcc/testsuite/g++.dg/contracts/contracts-redecl7.C
index b7999b4bd7bb7..4ac76baf9d348 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-redecl7.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-redecl7.C
@@ -77,6 +77,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function S::now at .*.C:9: .*(\n|\r\n|\r)" }
 // { dg-output "S::now: a: -10, t->pri: -10(\n|\r\n|\r)" }
 // { dg-output "contract violation in function now at .*.C:15: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec1.C b/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec1.C
index 1460b93479ebc..8f3733f4281a1 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec1.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec1.C
@@ -94,6 +94,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function body<int> at .*.C:8: .*(\n|\r\n|\r)" }
 // { dg-output "-2(\n|\r\n|\r)" }
 // { dg-output "contract violation in function body<double> at .*.C:16: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec2.C b/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec2.C
index fd3a25bd05146..5669a4ae4fde5 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec2.C
@@ -304,6 +304,7 @@  int main(int, char**)
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output {contract violation in function body<int> at .*:9: a > 0(\n|\r\n|\r)} }
 // { dg-output {\[continue:on\](\n|\r\n|\r)} }
 // { dg-output {-2(\n|\r\n|\r)} }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec3.C b/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec3.C
index 090c1349f98d6..4b293de697627 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec3.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts-tmpl-spec3.C
@@ -32,6 +32,7 @@  int main(int, char**) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output {G5 full double double, f gen R(\n|\r\n|\r)} }
 // { dg-output {G5 full double double, f gen R(\n|\r\n|\r)} }
 // { dg-output {contract violation in function G5<int, double>::f<int> at .*:10: t > 0(\n|\r\n|\r)} }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts10.C b/gcc/testsuite/g++.dg/contracts/contracts10.C
index 585af9918df4a..7e371c302672e 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts10.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts10.C
@@ -62,6 +62,7 @@  int main()
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function main at .*.C:47: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function main at .*.C:48: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function main at .*.C:49: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts14.C b/gcc/testsuite/g++.dg/contracts/contracts14.C
index d9156d6875dd2..6154953ffdbe0 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts14.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts14.C
@@ -48,6 +48,7 @@  int main(int, char**) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // { dg-output "custom std::handle_contract_violation called: 30 .*/contracts14.C(\n|\r\n|\r)" }
 // { dg-output "synth caught direct: -30(\n|\r\n|\r)" }
 // { dg-output "custom std::handle_contract_violation called: 18 .*/contracts14.C(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts15.C b/gcc/testsuite/g++.dg/contracts/contracts15.C
index ef52a0e67f036..d538bd4a7edfe 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts15.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts15.C
@@ -48,6 +48,7 @@  int main(int, char**) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // { dg-output "custom std::handle_contract_violation called: 30 .*/contracts15.C(\n|\r\n|\r)" }
 // { dg-output "synth caught direct: -30(\n|\r\n|\r)" }
 // { dg-output "custom std::handle_contract_violation called: 18 .*/contracts15.C(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts16.C b/gcc/testsuite/g++.dg/contracts/contracts16.C
index 5d58ab8eaa15c..2770401738309 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts16.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts16.C
@@ -29,6 +29,7 @@  int main(int, char**) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // { dg-output "custom std::handle_contract_violation called: 18 .*/contracts16.C(\n|\r\n|\r)" }
 // { dg-output "synth caught indirect: -18(\n|\r\n|\r)" }
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts17.C b/gcc/testsuite/g++.dg/contracts/contracts17.C
index f2db43346e4e3..2a8f65a9979ea 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts17.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts17.C
@@ -30,6 +30,7 @@  int main(int, char**) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // { dg-output "custom std::handle_contract_violation called: 19 .*/contracts17.C(\n|\r\n|\r)" }
 // { dg-shouldfail "throwing in noexcept" }
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts18.C b/gcc/testsuite/g++.dg/contracts/contracts18.C
index e8163ba4ab2dc..1676ea458a70f 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts18.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts18.C
@@ -3,6 +3,7 @@ 
 //   (axiom level contracts are never checked at runtime)
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fcontract-role=custom:never,ignore,ignore" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts19.C b/gcc/testsuite/g++.dg/contracts/contracts19.C
index 009942de967ec..1e39c2427729f 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts19.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts19.C
@@ -14,6 +14,7 @@  int main()
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function main at .*.C:11: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function main at .*.C:12: .*(\n|\r\n|\r)" }
 
diff --git a/gcc/testsuite/g++.dg/contracts/contracts2.C b/gcc/testsuite/g++.dg/contracts/contracts2.C
index 9535e077d3615..0de587e860639 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts2.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts2.C
@@ -3,6 +3,7 @@ 
 //   (axiom level contracts are never checked at runtime)
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts22.C b/gcc/testsuite/g++.dg/contracts/contracts22.C
index 91e32b9d9b25b..df71f924c5f23 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts22.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts22.C
@@ -3,6 +3,7 @@ 
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fcontract-mode=off" }
 // { dg-output "returning from main" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 #include <cstdio>
 
 int constexpr f()
diff --git a/gcc/testsuite/g++.dg/contracts/contracts24.C b/gcc/testsuite/g++.dg/contracts/contracts24.C
index 70a54f95a937e..0157097f3ba5a 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts24.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts24.C
@@ -3,6 +3,7 @@ 
 //   (axiom level contracts are never checked at runtime)
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fcontract-semantic=default:never -fcontract-semantic=audit:ignore -fcontract-semantic=axiom:ignore" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts25.C b/gcc/testsuite/g++.dg/contracts/contracts25.C
index e954cd1389b2a..2d46ce59603c7 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts25.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts25.C
@@ -50,6 +50,7 @@  int main(int, char **) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function ffun at .*.C:12: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function ftfun<int> at .*.C:30: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function explicitfn at .*.C:36: .*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts3.C b/gcc/testsuite/g++.dg/contracts/contracts3.C
index 73dc7a155440d..5efa4c0b58f34 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts3.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts3.C
@@ -4,6 +4,7 @@ 
 // { dg-options "-std=c++2a -fcontracts" }
 // { dg-shouldfail "assert violation" }
 // { dg-output "contract violation in function main" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts35.C b/gcc/testsuite/g++.dg/contracts/contracts35.C
index 4435ab78e5065..d75640fbdcf54 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts35.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts35.C
@@ -32,6 +32,7 @@  int main(int, char **) {
   return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // { dg-output "contract violation in function S::S<int> at .*.C:8: .*(\n|\r\n|\r)" }
 // { dg-output "contract violation in function S::S<int> at .*.C:8: .*(\n|\r\n|\r)" }
 // { dg-output "S::S.T.: -1(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/contracts/contracts4.C b/gcc/testsuite/g++.dg/contracts/contracts4.C
index a43fb9f98e26d..d3231e50c3324 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts4.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts4.C
@@ -2,6 +2,7 @@ 
 // error during runtime when the contract build level is default
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts5.C b/gcc/testsuite/g++.dg/contracts/contracts5.C
index 3c591833bf197..ecd854a4dc686 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts5.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts5.C
@@ -4,6 +4,7 @@ 
 // { dg-options "-std=c++2a -fcontracts -fcontract-build-level=audit" }
 // { dg-shouldfail "assert violation" }
 // { dg-output "contract violation in function main" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts6.C b/gcc/testsuite/g++.dg/contracts/contracts6.C
index 59c010e5d390d..42622fd2e186f 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts6.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts6.C
@@ -2,6 +2,7 @@ 
 // error during runtime when the contract build level is off
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fcontract-build-level=off" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts7.C b/gcc/testsuite/g++.dg/contracts/contracts7.C
index 9e7cae9433efe..0828f8274b304 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts7.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts7.C
@@ -5,6 +5,7 @@ 
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fcontract-continuation-mode=on" }
 // { dg-output "contract violation in function main" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 int main()
 {
diff --git a/gcc/testsuite/g++.dg/contracts/contracts9.C b/gcc/testsuite/g++.dg/contracts/contracts9.C
index 58b60aca32057..112af6c1d73b0 100644
--- a/gcc/testsuite/g++.dg/contracts/contracts9.C
+++ b/gcc/testsuite/g++.dg/contracts/contracts9.C
@@ -35,6 +35,7 @@  int main()
   // return 0;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output {contract violation in function fun1<int> at .*:12: \(long long\)b > 0(\n|\r\n|\r)} }
 // { dg-output {\[continue:on\](\n|\r\n|\r)} }
 // { dg-output {contract violation in function fun1<double> at .*:11: a > 0(\n|\r\n|\r)} }
diff --git a/gcc/testsuite/g++.dg/contracts/pr110159.C b/gcc/testsuite/g++.dg/contracts/pr110159.C
index 614b466b1a39f..3cf5967cfd6f0 100644
--- a/gcc/testsuite/g++.dg/contracts/pr110159.C
+++ b/gcc/testsuite/g++.dg/contracts/pr110159.C
@@ -1,6 +1,7 @@ 
 // check that contracts can be handled even when exceptions are disabled
 // { dg-do run }
 // { dg-options "-std=c++2a -fcontracts -fno-exceptions " }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 // { dg-output "contract violation in function f at .* a<5" }
 
 #include <exception>
diff --git a/gcc/testsuite/g++.dg/contracts/pr115434.C b/gcc/testsuite/g++.dg/contracts/pr115434.C
index e9c847f8969d8..b21f5ae21de4b 100644
--- a/gcc/testsuite/g++.dg/contracts/pr115434.C
+++ b/gcc/testsuite/g++.dg/contracts/pr115434.C
@@ -2,6 +2,7 @@ 
 
 // { dg-do run }
 // { dg-options "-std=c++20 -fcontracts -fcontract-continuation-mode=on" }
+// { dg-skip-if "requires hosted libstdc++ for stdc++exp" { ! hostedlib } }
 
 
 void foo (const int b)
@@ -13,4 +14,4 @@  int main()
    foo(3);
 }
 
-// { dg-output "contract violation in function foo at .*.C:8: b == 9.*(\n|\r\n|\r)" }
+// { dg-output "contract violation in function foo at .*.C:9: b == 9.*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-00-class-gro-scalar-return.C b/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-00-class-gro-scalar-return.C
index 605a2135878b5..639d859a9620d 100644
--- a/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-00-class-gro-scalar-return.C
+++ b/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-00-class-gro-scalar-return.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
+
 // Test handling of the case where we have a class g-r-o and a non-void
 // and non-class-type ramp return.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-01-void-gro-non-class-coro.C b/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-01-void-gro-non-class-coro.C
index a7e3f3d1ac7d6..680e7c35c1e6e 100644
--- a/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-01-void-gro-non-class-coro.C
+++ b/gcc/testsuite/g++.dg/coroutines/coro-bad-gro-01-void-gro-non-class-coro.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
+
 // Test handling of the case where we have a void g-r-o and a non-void
 // and non-class-type ramp return.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/pr100611.C b/gcc/testsuite/g++.dg/coroutines/pr100611.C
index 14edf4870a145..9f0228e098cbc 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr100611.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr100611.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 /*
   Test that instances created in capture clauses within co_await statements do not
   get 'promoted'. This would lead to the members destructor getting called more
diff --git a/gcc/testsuite/g++.dg/coroutines/pr100772-b.C b/gcc/testsuite/g++.dg/coroutines/pr100772-b.C
index 4ef80a9959490..5ffd3a427c109 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr100772-b.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr100772-b.C
@@ -1,3 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 #if !__has_include(<coroutine>) \
   && __has_include(<experimental/coroutine>) // for __clang__
 #include <experimental/coroutine>
diff --git a/gcc/testsuite/g++.dg/coroutines/pr101133.C b/gcc/testsuite/g++.dg/coroutines/pr101133.C
index 6c6bc163251c4..5bc9103897cbe 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr101133.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr101133.C
@@ -1,3 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 #include <coroutine>
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/coroutines/pr101367.C b/gcc/testsuite/g++.dg/coroutines/pr101367.C
index 0a9e5bee7d170..435190eca7ddc 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr101367.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr101367.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 
 #include <coroutine>
 using namespace std;
diff --git a/gcc/testsuite/g++.dg/coroutines/pr101765.C b/gcc/testsuite/g++.dg/coroutines/pr101765.C
index 49a49d1129950..4a35c1c55f6b2 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr101765.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr101765.C
@@ -1,6 +1,7 @@ 
 // We cannot compile this yet, much run it - but one day it might be
 // feasible, so do the minimum for now.
 // { dg-additional-options " -fsyntax-only -Wno-vla" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/pr101976.C b/gcc/testsuite/g++.dg/coroutines/pr101976.C
index 1854ba001bb37..53d02a4c4e03a 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr101976.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr101976.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 /*
   Test that members of temporary instances in co_await statements do not get
diff --git a/gcc/testsuite/g++.dg/coroutines/pr102454.C b/gcc/testsuite/g++.dg/coroutines/pr102454.C
index 41aeda7b97353..9cb59dbc19436 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr102454.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr102454.C
@@ -1,4 +1,5 @@ 
 //  { dg-additional-options "-fno-exceptions" }
+//  { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <coroutine>
 #include <string>
diff --git a/gcc/testsuite/g++.dg/coroutines/pr104051.C b/gcc/testsuite/g++.dg/coroutines/pr104051.C
index ce7ae55405a6e..f77a915af7457 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr104051.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr104051.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fsyntax-only" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <coroutine>
 #include <vector>
 template <typename> struct promise {
diff --git a/gcc/testsuite/g++.dg/coroutines/pr110635.C b/gcc/testsuite/g++.dg/coroutines/pr110635.C
index ea4e0e853eb53..7b577ba718657 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr110635.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr110635.C
@@ -1,3 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #define CASE 0
 #include <coroutine>
diff --git a/gcc/testsuite/g++.dg/coroutines/pr110871.C b/gcc/testsuite/g++.dg/coroutines/pr110871.C
index 8a667c856ae87..7e6830a17d090 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr110871.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr110871.C
@@ -1,5 +1,7 @@ 
 // { dg-additional-options "-fcontracts -fcontract-continuation-mode=on" }
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
+
 #include <iostream>
 #include <coroutine>
 
@@ -59,4 +61,4 @@  int main() {
     std::cout << "main continues" << std::endl;
 }
 
-// { dg-output "contract violation in function seq at .*.C:45: from \<= to.*(\n|\r\n|\r)" }
+// { dg-output "contract violation in function seq at .*.C:47: from \<= to.*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/coroutines/pr110872.C b/gcc/testsuite/g++.dg/coroutines/pr110872.C
index a809986f29621..3a7bd4fc26db9 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr110872.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr110872.C
@@ -1,5 +1,6 @@ 
 // { dg-additional-options "-fcontracts -fcontract-continuation-mode=on" }
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 #include <coroutine>
@@ -46,4 +47,4 @@  int main() {
     std::cout << "main continues" << std::endl;
 }
 
-// { dg-output "contract violation in function val at .*.C:35: g.is_valid().*(\n|\r\n|\r)" }
+// { dg-output "contract violation in function val at .*.C:36: g.is_valid().*(\n|\r\n|\r)" }
diff --git a/gcc/testsuite/g++.dg/coroutines/pr94288.C b/gcc/testsuite/g++.dg/coroutines/pr94288.C
index 2557e3e0f2bb1..61424aee99bbf 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr94288.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr94288.C
@@ -1,4 +1,5 @@ 
 //  { dg-additional-options  "-w" }
+//  { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include "coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/pr95477.C b/gcc/testsuite/g++.dg/coroutines/pr95477.C
index 7050aee00781f..38fb5c80b072f 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr95477.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr95477.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/pr95520.C b/gcc/testsuite/g++.dg/coroutines/pr95520.C
index 4849b0789c7fb..9776ec57911ed 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr95520.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr95520.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-output "coroutine name: MyFoo" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 #include <coroutine>
 #include <cstdio>
 
diff --git a/gcc/testsuite/g++.dg/coroutines/pr95599.C b/gcc/testsuite/g++.dg/coroutines/pr95599.C
index ec97a4aa16510..e94bf7d9752c9 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr95599.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr95599.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // The simplest co_await we can do.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/pr95711.C b/gcc/testsuite/g++.dg/coroutines/pr95711.C
index 682a221509ea6..ba663ec1544c2 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr95711.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr95711.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #if __has_include(<coroutine>)
 #include <coroutine>
diff --git a/gcc/testsuite/g++.dg/coroutines/pr95736.C b/gcc/testsuite/g++.dg/coroutines/pr95736.C
index 0be5168a8d227..55f52bf4e8636 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr95736.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr95736.C
@@ -1,3 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <iostream>
 #include <exception>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/coroutines/pr97587.C b/gcc/testsuite/g++.dg/coroutines/pr97587.C
index 081c3a94b3c03..03da6c3092364 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr97587.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr97587.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include<cassert>
 #include<coroutine>
diff --git a/gcc/testsuite/g++.dg/coroutines/pr99576_1.C b/gcc/testsuite/g++.dg/coroutines/pr99576_1.C
index 612f0cda2b184..01db4d21424fb 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr99576_1.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr99576_1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 /*
   Test that instances created in capture clauses within co_await statements do not get
   'promoted'. This would lead to their members destructors getting called more
diff --git a/gcc/testsuite/g++.dg/coroutines/pr99576_2.C b/gcc/testsuite/g++.dg/coroutines/pr99576_2.C
index b7371d64480e9..cd3da6426e239 100644
--- a/gcc/testsuite/g++.dg/coroutines/pr99576_2.C
+++ b/gcc/testsuite/g++.dg/coroutines/pr99576_2.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 /*
   Test that members of temporary awaitables in co_await statements do not get
   'promoted'. This would lead to the members destructor getting called more
diff --git a/gcc/testsuite/g++.dg/coroutines/ramp-return-a.C b/gcc/testsuite/g++.dg/coroutines/ramp-return-a.C
index c6e445e0529a6..fcea6f9975f8f 100644
--- a/gcc/testsuite/g++.dg/coroutines/ramp-return-a.C
+++ b/gcc/testsuite/g++.dg/coroutines/ramp-return-a.C
@@ -1,4 +1,5 @@ 
 //  { dg-additional-options "-std=c++14" }
+//  { dg-skip-if "requires hosted libstdc++ for vector in ramp-return.h" { ! hostedlib } }
 
 #include "ramp-return.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/ramp-return-b.C b/gcc/testsuite/g++.dg/coroutines/ramp-return-b.C
index dc21e97490077..a27d5af4cf162 100644
--- a/gcc/testsuite/g++.dg/coroutines/ramp-return-b.C
+++ b/gcc/testsuite/g++.dg/coroutines/ramp-return-b.C
@@ -1,4 +1,5 @@ 
 //  { dg-options "-fcoroutines -std=c++14" }
+//  { dg-skip-if "requires hosted libstdc++ for vector in ramp-return.h" { ! hostedlib } }
 #define DELETE_COPY_CTOR 1
 #include "ramp-return.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/ramp-return-c.C b/gcc/testsuite/g++.dg/coroutines/ramp-return-c.C
index e030ca1b7aeba..0992924b43431 100644
--- a/gcc/testsuite/g++.dg/coroutines/ramp-return-c.C
+++ b/gcc/testsuite/g++.dg/coroutines/ramp-return-c.C
@@ -1,4 +1,5 @@ 
 //  { dg-additional-options "-std=c++17" }
+//  { dg-skip-if "requires hosted libstdc++ for vector in ramp-return.h" { ! hostedlib } }
 #define DELETE_COPY_CTOR 1
 #include "ramp-return.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/symmetric-transfer-00-basic.C b/gcc/testsuite/g++.dg/coroutines/symmetric-transfer-00-basic.C
index a959408513560..5f663fb6a2c71 100644
--- a/gcc/testsuite/g++.dg/coroutines/symmetric-transfer-00-basic.C
+++ b/gcc/testsuite/g++.dg/coroutines/symmetric-transfer-00-basic.C
@@ -4,6 +4,7 @@ 
 
 // { dg-do run { target { i?86-*-linux-gnu x86_64-*-linux-gnu *-*-darwin* } } }
 // { dg-additional-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for chrono" { ! hostedlib } }
 
 #if __has_include(<coroutine>)
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/alloc-00-gro-on-alloc-fail.C b/gcc/testsuite/g++.dg/coroutines/torture/alloc-00-gro-on-alloc-fail.C
index ca07a3a03d00b..72ba97c5ac471 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/alloc-00-gro-on-alloc-fail.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/alloc-00-gro-on-alloc-fail.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* check the code-gen for the failed alloc return.
    Here we use an allocator that doesn't fail so that the code
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/alloc-01-overload-newdel.C b/gcc/testsuite/g++.dg/coroutines/torture/alloc-01-overload-newdel.C
index 98babcaf4f4b8..0e7c8555fc95c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/alloc-01-overload-newdel.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/alloc-01-overload-newdel.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // check codegen for overloaded simple operator new/delete.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/alloc-02-fail-new-grooaf-check.C b/gcc/testsuite/g++.dg/coroutines/torture/alloc-02-fail-new-grooaf-check.C
index 7911cc8c43dfd..61e19bd072729 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/alloc-02-fail-new-grooaf-check.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/alloc-02-fail-new-grooaf-check.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* check the code-gen for the failed alloc return.
    In this case, we use an operator new that always fails.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/alloc-03-overload-new-1.C b/gcc/testsuite/g++.dg/coroutines/torture/alloc-03-overload-new-1.C
index b1d6743fd9124..3ae446fecf6b4 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/alloc-03-overload-new-1.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/alloc-03-overload-new-1.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* check codegen for overloaded simple operator new/delete.
    here check that we prefer the overload that accounts the function
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/alloc-04-overload-del-use-two-args.C b/gcc/testsuite/g++.dg/coroutines/torture/alloc-04-overload-del-use-two-args.C
index 2987c6ef116f7..a6b48729a56b5 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/alloc-04-overload-del-use-two-args.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/alloc-04-overload-del-use-two-args.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* check that we use the deallocation function with two args when both
    are available.  */
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/call-00-co-aw-arg.C b/gcc/testsuite/g++.dg/coroutines/torture/call-00-co-aw-arg.C
index 19e3ec1fe6877..f86bbc78871d2 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/call-00-co-aw-arg.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/call-00-co-aw-arg.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check that we can use co_await as a call parm.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/call-01-multiple-co-aw.C b/gcc/testsuite/g++.dg/coroutines/torture/call-01-multiple-co-aw.C
index 573f4f86a522e..29ba751d4272b 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/call-01-multiple-co-aw.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/call-01-multiple-co-aw.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check that we can use multiple co_awaits as a call parm.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/call-02-temp-co-aw.C b/gcc/testsuite/g++.dg/coroutines/torture/call-02-temp-co-aw.C
index 8ae07aa7a4567..322cde107a611 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/call-02-temp-co-aw.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/call-02-temp-co-aw.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check  foo (compiler temp, co_await).
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/call-03-temp-ref-co-aw.C b/gcc/testsuite/g++.dg/coroutines/torture/call-03-temp-ref-co-aw.C
index 967cb1b9baa14..f42c96af2821e 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/call-03-temp-ref-co-aw.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/call-03-temp-ref-co-aw.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check  foo (compiler temp, co_await).
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-00-co-ret.C b/gcc/testsuite/g++.dg/coroutines/torture/class-00-co-ret.C
index 932fe4b2830f3..bce831e98b7ed 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-00-co-ret.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-00-co-ret.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Simplest class.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-01-co-ret-parm.C b/gcc/testsuite/g++.dg/coroutines/torture/class-01-co-ret-parm.C
index 0bd477044b4ce..b9398e858c7d4 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-01-co-ret-parm.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-01-co-ret-parm.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Class with parm capture
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-02-templ-parm.C b/gcc/testsuite/g++.dg/coroutines/torture/class-02-templ-parm.C
index 0cc6069c32f6a..02ad0faa8c072 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-02-templ-parm.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-02-templ-parm.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // template parm in a class
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-03-operator-templ-parm.C b/gcc/testsuite/g++.dg/coroutines/torture/class-03-operator-templ-parm.C
index 2d888a745586c..e91f068efd2d2 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-03-operator-templ-parm.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-03-operator-templ-parm.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // template parm in a class
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-04-lambda-1.C b/gcc/testsuite/g++.dg/coroutines/torture/class-04-lambda-1.C
index e191c20ac0611..9c776289b99e9 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-04-lambda-1.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-04-lambda-1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // template parm in a class
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-05-lambda-capture-copy-local.C b/gcc/testsuite/g++.dg/coroutines/torture/class-05-lambda-capture-copy-local.C
index 9bb76d246c3b6..1f7e2a63f9589 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-05-lambda-capture-copy-local.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-05-lambda-capture-copy-local.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // template parm in a class
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-06-lambda-capture-ref.C b/gcc/testsuite/g++.dg/coroutines/torture/class-06-lambda-capture-ref.C
index db60132b0eed1..33dde7914e2a6 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-06-lambda-capture-ref.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-06-lambda-capture-ref.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // template parm in a class
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/class-07-data-member.C b/gcc/testsuite/g++.dg/coroutines/torture/class-07-data-member.C
index 00a0df69758eb..86d946c7b357f 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/class-07-data-member.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/class-07-data-member.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Show that we are correctly accessing class variables.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-00-trivial.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-00-trivial.C
index 6de751af53c1b..0f09162ae7d23 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-00-trivial.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-00-trivial.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // The simplest co_await we can do.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-01-with-value.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-01-with-value.C
index ddff64530b3d9..070a05ac178e1 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-01-with-value.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-01-with-value.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* The simplest valued co_await we can do.  */
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-02-xform.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-02-xform.C
index 8d32c73503f9a..74f1a10c1fb0c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-02-xform.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-02-xform.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test of basic await transform, no local state.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-03-rhs-op.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-03-rhs-op.C
index 29dcc5f7a2cd2..3fb8167115bc9 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-03-rhs-op.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-03-rhs-op.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Basic check of co_await with an expression to await transform.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-04-control-flow.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-04-control-flow.C
index 32d9c982d4a10..96ff6f6e51ba7 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-04-control-flow.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-04-control-flow.C
@@ -1,5 +1,6 @@ 
 //  { dg-do run }
 //  { dg-additional-options "-Wno-unused-label" }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check correct operation of await transform.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-05-loop.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-05-loop.C
index 58cdced7313f0..33716288c2ef9 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-05-loop.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-05-loop.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check correct operation of co_await in a loop without local state.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-06-ovl.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-06-ovl.C
index a3f7fa0083b61..4cb8eb7ea4e73 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-06-ovl.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-06-ovl.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Basic check of the co_await operator overload.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-07-tmpl.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-07-tmpl.C
index 8915786dd1efc..27358cb951092 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-07-tmpl.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-07-tmpl.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check that we correctly operate when the coroutine object is templated.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-08-cascade.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-08-cascade.C
index 51eedc57421e1..a3efa473b6983 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-08-cascade.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-08-cascade.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check cascaded co_await operations.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-09-pair.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-09-pair.C
index e3aba4d56ef88..fc4ce7c62d3e3 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-09-pair.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-09-pair.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-10-template-fn-arg.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-10-template-fn-arg.C
index 71a5b18c3ccb4..3e4fe3662f11d 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-10-template-fn-arg.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-10-template-fn-arg.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check type dependent function parms. 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-11-forwarding.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-11-forwarding.C
index 6e59c88447b14..1ff4eb09e2069 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-11-forwarding.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-11-forwarding.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test of forwarding a templated awaitable to co_await.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-12-operator-2.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-12-operator-2.C
index 91dd1927bfd04..4b3e9334f3db5 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-12-operator-2.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-12-operator-2.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Basic check of the co_await operator overload.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-13-return-ref.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-13-return-ref.C
index 78f2d5b9d1b98..12e6c06377765 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-13-return-ref.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-13-return-ref.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* The simplest valued co_await we can do.  */
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-14-return-ref-to-auto.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-14-return-ref-to-auto.C
index 6b1d5bf5a4363..3d133ce2aa9f3 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-14-return-ref-to-auto.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-14-return-ref-to-auto.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* The simplest valued co_await we can do.  */
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-15-return-non-triv.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-15-return-non-triv.C
index 70c974bc56a6c..e79d9da6b64de 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-15-return-non-triv.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-15-return-non-triv.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 /* Check that we handle await_resume for a non-trivial type.  */
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-16-template-traits.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-16-template-traits.C
index 4e670b1c308a2..8be2597fffbb1 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-16-template-traits.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-16-template-traits.C
@@ -1,4 +1,5 @@ 
 //  { dg-do compile }
+//  { dg-skip-if "requires hosted libstdc++ for chrono" { ! hostedlib } }
 //  Test we create co_await_expr with dependent type rather than type of awaitable class
 
 #include "../coro.h"
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-17-capture-comp-ref.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-17-capture-comp-ref.C
index 3eefe9e775da0..5a7b9fd076167 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-17-capture-comp-ref.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-17-capture-comp-ref.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run { target c++17 } }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-18-if-cond.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-18-if-cond.C
index 6b05cfb44acde..3c5436028023d 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-18-if-cond.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-18-if-cond.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in if condition.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-19-while-cond.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-19-while-cond.C
index 2cd37616aaa4d..1b7f09d93e5ea 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-19-while-cond.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-19-while-cond.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in while condition.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-20-do-while-cond.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-20-do-while-cond.C
index bb1e97a6ef062..d4743e2a548b5 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-20-do-while-cond.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-20-do-while-cond.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in do-while conditional
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-21-switch-value.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-21-switch-value.C
index b5e1bf38050e1..beaf12f4782b8 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-21-switch-value.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-21-switch-value.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in while condition.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-22-truth-and-of-if.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-22-truth-and-of-if.C
index 54659741cbedd..dee0a99c4b3be 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-22-truth-and-of-if.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-22-truth-and-of-if.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in while condition.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-24-for-init.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-24-for-init.C
index 1bf2f6d912deb..45ea0de743018 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-24-for-init.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-24-for-init.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in while condition.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-25-for-condition.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-25-for-condition.C
index 2208e3415746d..08d17a5e8891e 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-25-for-condition.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-25-for-condition.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in while condition.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-await-26-for-iteration-expr.C b/gcc/testsuite/g++.dg/coroutines/torture/co-await-26-for-iteration-expr.C
index f361fb5ecea24..b4ee6acf06e63 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-await-26-for-iteration-expr.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-await-26-for-iteration-expr.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co-await in while condition.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-00-void-return-is-ready.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-00-void-return-is-ready.C
index dd0a3b749aace..016db878ad51e 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-00-void-return-is-ready.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-00-void-return-is-ready.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Basic functionality check, co_return.
 // Here we check the case that initial suspend is "never", so that the co-
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-01-void-return-is-suspend.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-01-void-return-is-suspend.C
index 1f4c3debc03b8..2f388b5f53268 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-01-void-return-is-suspend.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-01-void-return-is-suspend.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Basic functionality check, co_return.
 // Here we check the case that initial suspend is "always".
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-03-different-GRO-type.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-03-different-GRO-type.C
index 1a095c627ea3c..871307d3b1948 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-03-different-GRO-type.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-03-different-GRO-type.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // GRO differs from the eventual return type.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-04-GRO-nontriv.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-04-GRO-nontriv.C
index abb789aa7aeca..928193ac8437a 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-04-GRO-nontriv.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-04-GRO-nontriv.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // GRO differs from eventual return type and has non-trivial dtor.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-05-return-value.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-05-return-value.C
index 42b80ff6bb614..dbf5c973fe32b 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-05-return-value.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-05-return-value.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test returning an int.
 // We will use the promise to contain this to avoid having to include
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-06-template-promise-val-1.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-06-template-promise-val-1.C
index 91f591a30fc50..0a8b90063a4c5 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-06-template-promise-val-1.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-06-template-promise-val-1.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test returning a T.
 // We will use the promise to contain this to avoid having to include
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-07-void-cast-expr.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-07-void-cast-expr.C
index b1a06f284958b..8eedbfac6f179 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-07-void-cast-expr.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-07-void-cast-expr.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check that "co_return (void)expression;" evaluates expression once.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-08-template-cast-ret.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-08-template-cast-ret.C
index ac4cca49e9809..c05806e31ef25 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-08-template-cast-ret.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-08-template-cast-ret.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test templated co-return.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-09-bool-await-susp.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-09-bool-await-susp.C
index 33683226f632d..98a822189a5fe 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-09-bool-await-susp.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-09-bool-await-susp.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // test boolean return from await_suspend ().
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-10-expression-evaluates-once.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-10-expression-evaluates-once.C
index 7b07be5f4482a..90d99efdd34bb 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-10-expression-evaluates-once.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-10-expression-evaluates-once.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check that "co_return expression;" only evaluates expression once.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-11-co-ret-co-await.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-11-co-ret-co-await.C
index 06939107d8006..f69a99a3f996c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-11-co-ret-co-await.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-11-co-ret-co-await.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check co_return co_await 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-12-co-ret-fun-co-await.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-12-co-ret-fun-co-await.C
index 50124c080b339..516b89bc6e170 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-12-co-ret-fun-co-await.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-12-co-ret-fun-co-await.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check co_return function (co_await)
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-13-template-2.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-13-template-2.C
index 8a8d2d6fa5d91..de6d86f3610dd 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-13-template-2.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-13-template-2.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check type dependent function parms. 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-14-template-3.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-14-template-3.C
index ebc1adba821f7..3dfa6caa66ec7 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-14-template-3.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-14-template-3.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check type dependent function parms. 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-15-default-return_void.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-15-default-return_void.C
index 300052c94ae79..81a7da276ac61 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-15-default-return_void.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-15-default-return_void.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++17 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 //
 // Check if default return_void is insert at correct position.
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-16-simple-control-flow.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-16-simple-control-flow.C
index 112aa57ca61e1..d7bd00e024236 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-16-simple-control-flow.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-16-simple-control-flow.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test returning an int.
 // We will use the promise to contain this to avoid having to include
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-17-void-ret-coro.C b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-17-void-ret-coro.C
index 9c9d2fa816dd7..6625e4476cb9c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-ret-17-void-ret-coro.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-ret-17-void-ret-coro.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test the ability to specialize the coroutine traits to include
 // non-class type coroutine ramp return values.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-00-triv.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-00-triv.C
index 15e390ed2008c..3d88c37ed57f6 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-00-triv.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-00-triv.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test yielding an int.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-01-multi.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-01-multi.C
index 5df69c7f15673..e1c5fba294df6 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-01-multi.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-01-multi.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test yielding an int.
 // We will use the promise to contain this to avoid having to include
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-02-loop.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-02-loop.C
index 8d4f1d5d82368..f21e30495731e 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-02-loop.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-02-loop.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co_yield in a loop with no local state.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl-nondependent.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl-nondependent.C
index 8e91d9557d2f4..399c0116a1278 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl-nondependent.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl-nondependent.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co_yield in templated code where the promise type is not dependent.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl.C
index 45fc8d71a0791..005423fa69b40 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-03-tmpl.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test co_yield in templated code.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-04-complex-local-state.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-04-complex-local-state.C
index f97bd2377f7be..f4b1b9f55ad88 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-04-complex-local-state.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-04-complex-local-state.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 // using non-trivial types in the coro.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-05-co-aw.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-05-co-aw.C
index 043f97b6e1b32..bf2f910170211 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-05-co-aw.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-05-co-aw.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check co_return co_await 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-06-fun-parm.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-06-fun-parm.C
index c74e44d15d521..9cf148b76838b 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-06-fun-parm.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-06-fun-parm.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check co_return co_await 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-07-template-fn-param.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-07-template-fn-param.C
index 74dae6339556a..ab392a2a105f5 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-07-template-fn-param.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-07-template-fn-param.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check type dependent function parms. 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-08-more-refs.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-08-more-refs.C
index 8e39127a1ae79..d2a82bf441035 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-08-more-refs.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-08-more-refs.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check co_return co_await 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-09-more-templ-refs.C b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-09-more-templ-refs.C
index 3abbe1c43abb2..943c869a58b51 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/co-yield-09-more-templ-refs.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/co-yield-09-more-templ-refs.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check co_return co_await 
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-0.C b/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-0.C
index 85135fc50c42d..42480a03b88cf 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-0.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-0.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test exceptions.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-01-n4849-a.C b/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-01-n4849-a.C
index c5a0a38b2ca21..31d56d0ea9f3b 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-01-n4849-a.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/exceptions-test-01-n4849-a.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test exceptions in the initial await expression, per n4849.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/extern-c-coroutine.C b/gcc/testsuite/g++.dg/coroutines/torture/extern-c-coroutine.C
index c178a80ee4b5a..c28a641bc2ade 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/extern-c-coroutine.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/extern-c-coroutine.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
+
 #include <coroutine>
 #include <cstdio>
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-00.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-00.C
index b5716972d4794..7fb169a6c7d4a 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-00.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-00.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test promise construction from function args list.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-01.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-01.C
index f530431a6bba4..5459d2a4e4943 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-01.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-01.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Simplest test that we correctly handle function params in the body
 // of the coroutine.  No local state, just the parm.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-02.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-02.C
index 396b438cb2d95..a9b99ca49393d 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-02.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-02.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test that we correctly re-write multiple uses of a function param
 // in the body.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-03.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-03.C
index bf699722a1ab9..6fc801ff29933 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-03.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-03.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test that we can use a function param in a co_xxxx status.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-04.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-04.C
index c90c1525e4010..a8189f4c40e84 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-04.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-04.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test that we can manage a constructed param copy.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-05.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-05.C
index 8bdb2b5d0f780..b853d97bfefbd 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-05.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-05.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test that we can manage a constructed param reference
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-06.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-06.C
index cbcfe67ff1af5..6953dcb46ed24 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-06.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-06.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // check references are handled as expected.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-07.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-07.C
index 7f3bb3cc7825e..03044ef4b3140 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-07.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-07.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test that we copy simple parms correctly by value, reference or
 // rvalue reference.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-08.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-08.C
index cce1521b22604..20f407d30cced 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-08.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-08.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 // Check that we correctly handle params with non-trivial DTORs and
 // use the correct copy/move CTORs.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/func-params-09-awaitable-parms.C b/gcc/testsuite/g++.dg/coroutines/torture/func-params-09-awaitable-parms.C
index 81430bf4d5463..d852666925b1d 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/func-params-09-awaitable-parms.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/func-params-09-awaitable-parms.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 // Check that we correctly handle params with non-trivial DTORs and
 // use the correct copy/move CTORs.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-00-co-ret.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-00-co-ret.C
index 61e284d5c8f5c..7b77cecec645c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-00-co-ret.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-00-co-ret.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Simplest lambda
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-01-co-ret-parm.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-01-co-ret-parm.C
index 378eedc6d89d9..925f1d0d5850d 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-01-co-ret-parm.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-01-co-ret-parm.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Lambda with parm
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-02-co-yield-values.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-02-co-yield-values.C
index a6f592cd77af2..20609ce831e0b 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-02-co-yield-values.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-02-co-yield-values.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // lambda with parm and local state
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-03-auto-parm-1.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-03-auto-parm-1.C
index bfa5400225da7..9c8ddf2a99258 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-03-auto-parm-1.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-03-auto-parm-1.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // generic Lambda with auto parm (c++14)
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-04-templ-parm.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-04-templ-parm.C
index adf31e22dbac5..ec8a9940d3a98 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-04-templ-parm.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-04-templ-parm.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-additional-options "-std=c++2a" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // generic Lambda with template parm (from c++20)
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-05-capture-copy-local.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-05-capture-copy-local.C
index 7cd6648cca69e..04dcfa26458ff 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-05-capture-copy-local.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-05-capture-copy-local.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // lambda with parm and local state
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-06-multi-capture.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-06-multi-capture.C
index 7b445d3d9cd03..c2f2e93dc669b 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-06-multi-capture.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-06-multi-capture.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // lambda with parm and local state
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-07-multi-yield.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-07-multi-yield.C
index 2bd58cbf2ec41..bc97507372ce2 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-07-multi-yield.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-07-multi-yield.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // lambda with parm and local state
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-08-co-ret-parm-ref.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-08-co-ret-parm-ref.C
index 4d5a44fe29a49..bfce44f0c9e24 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-08-co-ret-parm-ref.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-08-co-ret-parm-ref.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test that we can use a function param in a co_xxxx status.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-09-init-captures.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-09-init-captures.C
index 920d6eaac82b9..ae7d9fa84c73c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-09-init-captures.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-09-init-captures.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // lambda with initialized captures
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/lambda-10-mutable.C b/gcc/testsuite/g++.dg/coroutines/torture/lambda-10-mutable.C
index a10816ccd8452..a7fa4c7a21faa 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/lambda-10-mutable.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/lambda-10-mutable.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // lambda with mutable closure object.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/local-var-00-const.C b/gcc/testsuite/g++.dg/coroutines/torture/local-var-00-const.C
index a8956457dcd3f..f6c44e9278de1 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/local-var-00-const.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/local-var-00-const.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Simplest local decl.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/local-var-01-single.C b/gcc/testsuite/g++.dg/coroutines/torture/local-var-01-single.C
index 69a5b707563c8..cd35d978814cf 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/local-var-01-single.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/local-var-01-single.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Simplest local var
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/local-var-02-conditional.C b/gcc/testsuite/g++.dg/coroutines/torture/local-var-02-conditional.C
index f232edabdae42..90aa008227bc2 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/local-var-02-conditional.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/local-var-02-conditional.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test local vars in nested scopes
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/local-var-03-with-awaits.C b/gcc/testsuite/g++.dg/coroutines/torture/local-var-03-with-awaits.C
index bd06db53d4832..f4209ab48d48c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/local-var-03-with-awaits.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/local-var-03-with-awaits.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test modifying a local var and yielding several instances of it.
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/local-var-04-hiding-nested-scopes.C b/gcc/testsuite/g++.dg/coroutines/torture/local-var-04-hiding-nested-scopes.C
index 04c1ab362d2d2..e3479647e7037 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/local-var-04-hiding-nested-scopes.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/local-var-04-hiding-nested-scopes.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Test modifying a local var across nested scopes containing vars
 // hiding those at outer scopes.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/local-var-05-awaitable.C b/gcc/testsuite/g++.dg/coroutines/torture/local-var-05-awaitable.C
index 7ea00434c8737..e7a8491ab1a4d 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/local-var-05-awaitable.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/local-var-05-awaitable.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 // Test the case where the awaitables are local vars, and therefore already
 // have a frame representation - and should not be copied to a second frame
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/local-var-06-structured-binding.C b/gcc/testsuite/g++.dg/coroutines/torture/local-var-06-structured-binding.C
index 282aa7a7cac53..462ab51a755a9 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/local-var-06-structured-binding.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/local-var-06-structured-binding.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/mid-suspend-destruction-0.C b/gcc/testsuite/g++.dg/coroutines/torture/mid-suspend-destruction-0.C
index 0cbf93ad8afff..60852bb10a112 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/mid-suspend-destruction-0.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/mid-suspend-destruction-0.C
@@ -3,6 +3,7 @@ 
 // { dg-output "Destroyed coro1(\n|\r\n|\r)" }
 // { dg-output "Destroyed suspend_always_prt(\n|\r\n|\r)" }
 // { dg-output "Destroyed Promise(\n|\r\n|\r)" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Check that we still get the right DTORs run when we let a suspended coro
 // go out of scope.
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95003.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95003.C
index 9022dd2b1edd3..ada827e267df7 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95003.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95003.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 #include "../coro1-ret-int-yield-int.h"
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-00-return_void.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-00-return_void.C
index 2952d0116749f..5d40ed414c4d1 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-00-return_void.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-00-return_void.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-01-initial-suspend.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-01-initial-suspend.C
index 346c20dbd8ff4..deb5a2275dc12 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-01-initial-suspend.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-01-initial-suspend.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-02-final_suspend.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-02-final_suspend.C
index 4200c333ee3d7..f1793b17624f0 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-02-final_suspend.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-02-final_suspend.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-03-return-value.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-03-return-value.C
index cf4c43d1a90d2..093d4f70b75e4 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-03-return-value.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-03-return-value.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-04-yield-value.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-04-yield-value.C
index 5f1be4e00f4fc..910be6bdc7f71 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-04-yield-value.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-04-yield-value.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-05-gro.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-05-gro.C
index 2e7218371bc07..28ecb32e463ba 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-05-gro.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-05-gro.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-06-grooaf.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-06-grooaf.C
index b6b6bd73c9aa8..ebea8d3513b49 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-06-grooaf.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-06-grooaf.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-07-unhandled-exception.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-07-unhandled-exception.C
index be2a928ea00e3..3b9149ca17d92 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95519-07-unhandled-exception.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95519-07-unhandled-exception.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include "../coro.h"
 
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-01.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-01.C
index cf30c82be5edc..baae030c97d09 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-01.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-01.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cassert in pr95615.inc" { ! hostedlib } }
 
 #define INITIAL_SUSPEND_THROWS 1
 #include "pr95615.inc"
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-02.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-02.C
index 7ec0f33f4859b..504c8b99f8c8b 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-02.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-02.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cassert in pr95615.inc" { ! hostedlib } }
 
 #define PROMISE_CTOR_THROWS 1
 #include "pr95615.inc"
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-03.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-03.C
index 8053335428e83..90b6395c7934c 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-03.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-03.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cassert in pr95615.inc" { ! hostedlib } }
 
 #define GET_RETURN_OBJECT_THROWS 1
 #include "pr95615.inc"
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-04.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-04.C
index db5c1285f9a01..1b7f89f815d26 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-04.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-04.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cassert in pr95615.inc" { ! hostedlib } }
 
 #define INITIAL_AWAIT_READY_THROWS 1
 #include "pr95615.inc"
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-05.C b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-05.C
index 5fd62f67be457..1d302c88226b2 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr95615-05.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr95615-05.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for cassert in pr95615.inc" { ! hostedlib } }
 
 #define INITIAL_AWAIT_SUSPEND_THROWS 1
 #include "pr95615.inc"
diff --git a/gcc/testsuite/g++.dg/coroutines/torture/pr98704.C b/gcc/testsuite/g++.dg/coroutines/torture/pr98704.C
index 15db250b4a201..fc914c63ced89 100644
--- a/gcc/testsuite/g++.dg/coroutines/torture/pr98704.C
+++ b/gcc/testsuite/g++.dg/coroutines/torture/pr98704.C
@@ -1,4 +1,5 @@ 
 //  { dg-do run }
+//  { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 #include "../coro.h"
 
 #include <stdexcept>
diff --git a/gcc/testsuite/g++.dg/cpp/pr80005.C b/gcc/testsuite/g++.dg/cpp/pr80005.C
index cc752616782f6..1c4b01ecae809 100644
--- a/gcc/testsuite/g++.dg/cpp/pr80005.C
+++ b/gcc/testsuite/g++.dg/cpp/pr80005.C
@@ -1,5 +1,6 @@ 
 // PR preprocessor/80005
 // { dg-do preprocess }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #undef vector
 #define vector NOPE
diff --git a/gcc/testsuite/g++.dg/cpp0x/Wliteral-suffix.C b/gcc/testsuite/g++.dg/cpp0x/Wliteral-suffix.C
index b9b975b5dc2f9..bfa3c9e542fca 100644
--- a/gcc/testsuite/g++.dg/cpp0x/Wliteral-suffix.C
+++ b/gcc/testsuite/g++.dg/cpp0x/Wliteral-suffix.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 // Make sure -Wliteral-suffix is enabled by default and
 // triggers as expected.
diff --git a/gcc/testsuite/g++.dg/cpp0x/Wpessimizing-move2.C b/gcc/testsuite/g++.dg/cpp0x/Wpessimizing-move2.C
index 0ee6e0535dcbc..bec6c7ba4c7de 100644
--- a/gcc/testsuite/g++.dg/cpp0x/Wpessimizing-move2.C
+++ b/gcc/testsuite/g++.dg/cpp0x/Wpessimizing-move2.C
@@ -1,6 +1,7 @@ 
 // PR c++/86981
 // { dg-do compile { target c++11 } }
 // { dg-options "-Wpessimizing-move" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 #include <tuple>
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-70001-3.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-70001-3.C
index 12c4c453e1af6..53287b173e8bc 100644
--- a/gcc/testsuite/g++.dg/cpp0x/constexpr-70001-3.C
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-70001-3.C
@@ -2,6 +2,7 @@ 
 
 // This is still slow to compile, only run it once.
 // { dg-do compile { target c++14_only } }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 #include <array>
 #include <complex>
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-ice16.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-ice16.C
index 112415b655bfa..fd55e08ce5a3b 100644
--- a/gcc/testsuite/g++.dg/cpp0x/constexpr-ice16.C
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-ice16.C
@@ -1,5 +1,6 @@ 
 // PR c++/66635
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/dc5.C b/gcc/testsuite/g++.dg/cpp0x/dc5.C
index 57321626e9125..e4bdfd1a3a25f 100644
--- a/gcc/testsuite/g++.dg/cpp0x/dc5.C
+++ b/gcc/testsuite/g++.dg/cpp0x/dc5.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/enum35.C b/gcc/testsuite/g++.dg/cpp0x/enum35.C
index bcc1b26b39006..126fc7f1b0277 100644
--- a/gcc/testsuite/g++.dg/cpp0x/enum35.C
+++ b/gcc/testsuite/g++.dg/cpp0x/enum35.C
@@ -1,5 +1,6 @@ 
 // PR c++/82307
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/enum36.C b/gcc/testsuite/g++.dg/cpp0x/enum36.C
index 4859670309f82..e326942d9ebef 100644
--- a/gcc/testsuite/g++.dg/cpp0x/enum36.C
+++ b/gcc/testsuite/g++.dg/cpp0x/enum36.C
@@ -1,5 +1,6 @@ 
 // PR c++/82307
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist-opt1.C b/gcc/testsuite/g++.dg/cpp0x/initlist-opt1.C
index 56de4bc00923f..391b7c47d503b 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist-opt1.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist-opt1.C
@@ -1,5 +1,6 @@ 
 // PR c++/110102
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } }
 
 // { dg-error "deleted|construct_at" "" { target *-*-* } 0 }
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist-vect2.C b/gcc/testsuite/g++.dg/cpp0x/initlist-vect2.C
index eec7d340fd1f0..eba0e171cd607 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist-vect2.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist-vect2.C
@@ -1,5 +1,6 @@ 
 // PR c++/108195
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist13.C b/gcc/testsuite/g++.dg/cpp0x/initlist13.C
index bba226798ea39..2da89dcef79fe 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist13.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist13.C
@@ -1,5 +1,6 @@ 
 // PR c++/39056
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 #include <complex>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist15.C b/gcc/testsuite/g++.dg/cpp0x/initlist15.C
index acd04956b1bff..aaa01fb703537 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist15.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist15.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 // Just discard errors pointing at header files
 // { dg-prune-output "include" }
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist25.C b/gcc/testsuite/g++.dg/cpp0x/initlist25.C
index dd41db1f641e1..0e110c5c2cf60 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist25.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist25.C
@@ -1,5 +1,6 @@ 
 // PR c++/41754
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for map" { ! hostedlib } }
 
 #include <map>
 #include <string>
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist54.C b/gcc/testsuite/g++.dg/cpp0x/initlist54.C
index 52a8ff94d9913..b9dcd391f89a0 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist54.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist54.C
@@ -1,5 +1,6 @@ 
 // PR c++/49355
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/initlist92.C b/gcc/testsuite/g++.dg/cpp0x/initlist92.C
index 213b192d44111..85079123ccdd6 100644
--- a/gcc/testsuite/g++.dg/cpp0x/initlist92.C
+++ b/gcc/testsuite/g++.dg/cpp0x/initlist92.C
@@ -1,5 +1,6 @@ 
 // PR c++/64665, DR 1467 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref-neg.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref-neg.C
index 9c9632cd5165d..9f7c7a860e830 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref-neg.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref-neg.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 int main() {
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref.C
index 16fd0a713a785..3668a77c1148c 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-capture-const-ref.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 int main() {
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const-neg.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const-neg.C
index 28ea53363a57b..e1c3dac26b691 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const-neg.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const-neg.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const.C
index c6150f17456e9..9c639bf2ba17e 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-const.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce.C
index b0e2d9fbabe17..26e681626e904 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-deduce.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 int main() {
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class-neg.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class-neg.C
index cff3d3756826c..40170899aed6f 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class-neg.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class-neg.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class.C
index f2b54e58ad37b..bfa04c41bdb6b 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-in-class.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mixed.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mixed.C
index d3f434195ea99..e934e33582d15 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mixed.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mixed.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 int main() {
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mutable.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mutable.C
index 2c6b0f2064468..2471adc6efbf5 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mutable.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-mutable.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 int main() {
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested.C
index 3848938d55f04..a0f1a475444e7 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nested.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-non-const.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-non-const.C
index b5a335eaf13eb..66d8218cea3ce 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-non-const.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-non-const.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nop.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nop.C
index 4a04cfbfb5893..c64e1800c3bde 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nop.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nop.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 int main() {
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nullptr.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nullptr.C
index 1aadbb490dcb0..b88b0eb6917bb 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nullptr.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-nullptr.C
@@ -1,5 +1,6 @@ 
 // PR c++/54170
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert> 
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-pass.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-pass.C
index d904ebee16b7c..5747766e8a31b 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-pass.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-pass.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include <algorithm>
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-recursive.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-recursive.C
index cbaeb16201f6a..f4b1c8ee9c035 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-recursive.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-recursive.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 //#include <iostream>
 #include <functional>
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref-default.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref-default.C
index 6b86369dbf24b..f0cc3c6b0bbcf 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref-default.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref-default.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref.C
index def13fdd67b34..dbeaf2ca77257 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-ref.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-std-function.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-std-function.C
index a410384a451f2..78a1284da5e64 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-std-function.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-std-function.C
@@ -1,5 +1,6 @@ 
 // Test using std::function wrapper.
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for functional function" { ! hostedlib } }
 
 #include <functional>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-this8.C b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-this8.C
index e62cd08a614e4..f4cfcb527046b 100644
--- a/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-this8.C
+++ b/gcc/testsuite/g++.dg/cpp0x/lambda/lambda-this8.C
@@ -1,5 +1,6 @@ 
 // PR c++/56135
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for functional function" { ! hostedlib } }
 
 #include <functional>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/nullptr20.C b/gcc/testsuite/g++.dg/cpp0x/nullptr20.C
index bbd0c7e24e3bc..985f50221d295 100644
--- a/gcc/testsuite/g++.dg/cpp0x/nullptr20.C
+++ b/gcc/testsuite/g++.dg/cpp0x/nullptr20.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 
 // Test passing to ellipisis
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr61038.C b/gcc/testsuite/g++.dg/cpp0x/pr61038.C
index 6c7a47bae737f..96aabe554b8aa 100644
--- a/gcc/testsuite/g++.dg/cpp0x/pr61038.C
+++ b/gcc/testsuite/g++.dg/cpp0x/pr61038.C
@@ -1,5 +1,6 @@ 
 // PR c++/61038
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstring>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/cpp0x/pr70887.C b/gcc/testsuite/g++.dg/cpp0x/pr70887.C
index f5b31b229003e..38b0fb2f9b2e4 100644
--- a/gcc/testsuite/g++.dg/cpp0x/pr70887.C
+++ b/gcc/testsuite/g++.dg/cpp0x/pr70887.C
@@ -1,6 +1,7 @@ 
 // PR middle-end/70887
 // { dg-do compile { target { { i?86-*-* x86_64-*-* } && c++11 } } }
 // { dg-options "-O2 -msse2" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/rv-trivial-bug.C b/gcc/testsuite/g++.dg/cpp0x/rv-trivial-bug.C
index 09732d17cdd34..c06a3e6078d93 100644
--- a/gcc/testsuite/g++.dg/cpp0x/rv-trivial-bug.C
+++ b/gcc/testsuite/g++.dg/cpp0x/rv-trivial-bug.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 // PR c++/33235
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-concat-neg.C b/gcc/testsuite/g++.dg/cpp0x/udlit-concat-neg.C
index 3093a7c055d11..95d49271b8115 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-concat-neg.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-concat-neg.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-concat.C b/gcc/testsuite/g++.dg/cpp0x/udlit-concat.C
index d4f10c2973f28..208aaeea55de4 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-concat.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-concat.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-embed-quote.C b/gcc/testsuite/g++.dg/cpp0x/udlit-embed-quote.C
index fef1a5342c999..27f7c990a124e 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-embed-quote.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-embed-quote.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 //  Make sure embedded quotes are not a problem for string and char literals.
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-extended-id-1.C b/gcc/testsuite/g++.dg/cpp0x/udlit-extended-id-1.C
index 94c0cd430aa18..e9373e563d952 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-extended-id-1.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-extended-id-1.C
@@ -1,6 +1,8 @@ 
 // { dg-do run { target c++11 } }
 // { dg-additional-options "-Wno-error=normalized" }
 // { dg-require-effective-target ucn }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
+
 #include <cstring>
 #include <cstddef>
 using namespace std;
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-general.C b/gcc/testsuite/g++.dg/cpp0x/udlit-general.C
index d69db561b4efc..28732d86212e1 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-general.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-general.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 // Test user-defined literals.
 // Test simple operator declaration and definition.
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-namespace.C b/gcc/testsuite/g++.dg/cpp0x/udlit-namespace.C
index 73298900b4294..a2e4e414319d1 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-namespace.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-namespace.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } }
 
 // Test user-defined literals.
 // Test simple operator declaration and definition in namespaces.
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-raw-op.C b/gcc/testsuite/g++.dg/cpp0x/udlit-raw-op.C
index c3259ed9b434a..9f57ac5659682 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-raw-op.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-raw-op.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include <cstring>
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-raw-str.C b/gcc/testsuite/g++.dg/cpp0x/udlit-raw-str.C
index 7ca37b2a7f975..1991de1150f9d 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-raw-str.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-raw-str.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-resolve-char8_t.C b/gcc/testsuite/g++.dg/cpp0x/udlit-resolve-char8_t.C
index 19cbd519a86fb..5a264c248330a 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-resolve-char8_t.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-resolve-char8_t.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-std=c++17 -fchar8_t" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cstdint>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-resolve.C b/gcc/testsuite/g++.dg/cpp0x/udlit-resolve.C
index c1ceef7577fc6..c311cfb8db76c 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-resolve.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-resolve.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cstdint>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-sfinae.C b/gcc/testsuite/g++.dg/cpp0x/udlit-sfinae.C
index e24b79d9f0bfc..e69dd5a4255f4 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-sfinae.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-sfinae.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-string-literal.C b/gcc/testsuite/g++.dg/cpp0x/udlit-string-literal.C
index ab65dd08714a6..78e2b26d3bb85 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-string-literal.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-string-literal.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++11 } }
 // { dg-require-effective-target stdint_types }
+// { dg-skip-if "requires hosted libstdc++ for string in udlit-string-literal.h" { ! hostedlib } }
 // PR c++/55582
 
 #include "udlit-string-literal.h"
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-suffix-neg.C b/gcc/testsuite/g++.dg/cpp0x/udlit-suffix-neg.C
index 7283fed9a3569..8f3cc87825a4c 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-suffix-neg.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-suffix-neg.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp0x/udlit-template.C b/gcc/testsuite/g++.dg/cpp0x/udlit-template.C
index 155831992977e..b5306b9962fd0 100644
--- a/gcc/testsuite/g++.dg/cpp0x/udlit-template.C
+++ b/gcc/testsuite/g++.dg/cpp0x/udlit-template.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 // Test user-defined literals.
 // Test template operator declaration and definition.
diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic-bind.C b/gcc/testsuite/g++.dg/cpp0x/variadic-bind.C
index 74e01ec364c9b..dd3b390ca6315 100644
--- a/gcc/testsuite/g++.dg/cpp0x/variadic-bind.C
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic-bind.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 // A basic implementation of TR1's bind using variadic teplates
 // Contributed by Douglas Gregor <doug.gregor@gmail.com>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic-function.C b/gcc/testsuite/g++.dg/cpp0x/variadic-function.C
index bb98531c3878b..1a5103ae36a2c 100644
--- a/gcc/testsuite/g++.dg/cpp0x/variadic-function.C
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic-function.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 // A basic implementation of TR1's function using variadic teplates
 // Contributed by Douglas Gregor <doug.gregor@gmail.com>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic-mem_fn.C b/gcc/testsuite/g++.dg/cpp0x/variadic-mem_fn.C
index aca58e3946150..7a707100613bc 100644
--- a/gcc/testsuite/g++.dg/cpp0x/variadic-mem_fn.C
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic-mem_fn.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 // A basic implementation of TR1's mem_fn using variadic teplates
 // Contributed by Douglas Gregor <doug.gregor@gmail.com>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic-tuple.C b/gcc/testsuite/g++.dg/cpp0x/variadic-tuple.C
index 5164598439b3c..651618e3fd1e6 100644
--- a/gcc/testsuite/g++.dg/cpp0x/variadic-tuple.C
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic-tuple.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { target c++11 } }
 // { dg-additional-options "-fexcess-precision=fast" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 // An implementation of TR1's <tuple> using variadic teplates
 // Contributed by Douglas Gregor <doug.gregor@gmail.com>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/auto-fn45.C b/gcc/testsuite/g++.dg/cpp1y/auto-fn45.C
index a9c163dd736c8..203f80762b9bc 100644
--- a/gcc/testsuite/g++.dg/cpp1y/auto-fn45.C
+++ b/gcc/testsuite/g++.dg/cpp1y/auto-fn45.C
@@ -1,5 +1,6 @@ 
 // PR c++/69057
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/complex_literals1.C b/gcc/testsuite/g++.dg/cpp1y/complex_literals1.C
index 5ae2370c3ffdf..3cedd0d401fc8 100644
--- a/gcc/testsuite/g++.dg/cpp1y/complex_literals1.C
+++ b/gcc/testsuite/g++.dg/cpp1y/complex_literals1.C
@@ -1,5 +1,6 @@ 
 // PR c++/79228
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 #include <complex>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/complex_literals1a.C b/gcc/testsuite/g++.dg/cpp1y/complex_literals1a.C
index 9b61f3aa534f5..a5d1e010f8dff 100644
--- a/gcc/testsuite/g++.dg/cpp1y/complex_literals1a.C
+++ b/gcc/testsuite/g++.dg/cpp1y/complex_literals1a.C
@@ -1,6 +1,7 @@ 
 // PR c++/79228
 // { dg-do compile { target c++14 } }
 // { dg-options "" }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 #include <complex>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
index 3d742cfebd83d..b463c9000812e 100644
--- a/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-66093.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-assert1.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-assert1.C
index df2a31539ff00..66acfcc6db0d8 100644
--- a/gcc/testsuite/g++.dg/cpp1y/constexpr-assert1.C
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-assert1.C
@@ -1,5 +1,6 @@ 
 // PR c++/59329
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-assert2.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-assert2.C
index a3291017324ee..def05f5fb256d 100644
--- a/gcc/testsuite/g++.dg/cpp1y/constexpr-assert2.C
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-assert2.C
@@ -1,5 +1,6 @@ 
 // PR c++/65985
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/feat-cxx14.C b/gcc/testsuite/g++.dg/cpp1y/feat-cxx14.C
index a78b6a36f36e1..cd58309c322f2 100644
--- a/gcc/testsuite/g++.dg/cpp1y/feat-cxx14.C
+++ b/gcc/testsuite/g++.dg/cpp1y/feat-cxx14.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-std=c++14 -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 //  C++98 features:
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-69078-2.C b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-69078-2.C
index 318e0967250cf..e73b86e4eb282 100644
--- a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-69078-2.C
+++ b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-69078-2.C
@@ -1,5 +1,6 @@ 
 // PR c++/69078
 // { dg-do run { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic2.C b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic2.C
index c70cc8d7747c5..b7ff755410867 100644
--- a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic2.C
+++ b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-variadic2.C
@@ -1,6 +1,7 @@ 
 // PR c++/64105
 // This test was ICEing in C++11 mode.
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for functional function" { ! hostedlib } }
 
 #include <functional>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-x.C b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-x.C
index 0926a5e363b81..723512f71f5db 100644
--- a/gcc/testsuite/g++.dg/cpp1y/lambda-generic-x.C
+++ b/gcc/testsuite/g++.dg/cpp1y/lambda-generic-x.C
@@ -1,6 +1,7 @@ 
 // Explicit generic lambda test from N3690 5.1.2.5
 // { dg-do compile { target c++14 } }
 // { dg-options "-Wpedantic" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/lambda-init8.C b/gcc/testsuite/g++.dg/cpp1y/lambda-init8.C
index 21933bd3e1b1e..7ccb01e3d4f52 100644
--- a/gcc/testsuite/g++.dg/cpp1y/lambda-init8.C
+++ b/gcc/testsuite/g++.dg/cpp1y/lambda-init8.C
@@ -1,5 +1,6 @@ 
 // DR1760: "no additional copy and destruction is performed"
 // { dg-do run { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/new2.C b/gcc/testsuite/g++.dg/cpp1y/new2.C
index cdcbd7daf2b9c..3fecda75e5554 100644
--- a/gcc/testsuite/g++.dg/cpp1y/new2.C
+++ b/gcc/testsuite/g++.dg/cpp1y/new2.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O2 -std=c++17 -fdump-tree-cddce-details -fdelete-null-pointer-checks" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } } */
 
 #include <cstdio>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/cpp1y/nsdmi-aggr12.C b/gcc/testsuite/g++.dg/cpp1y/nsdmi-aggr12.C
index fcc1f50dd810d..92a82fd322b4b 100644
--- a/gcc/testsuite/g++.dg/cpp1y/nsdmi-aggr12.C
+++ b/gcc/testsuite/g++.dg/cpp1y/nsdmi-aggr12.C
@@ -1,5 +1,6 @@ 
 // PR c++/90926
 // { dg-do run { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/pr57640.C b/gcc/testsuite/g++.dg/cpp1y/pr57640.C
index 0c76a08aecc15..6a79ea239d680 100644
--- a/gcc/testsuite/g++.dg/cpp1y/pr57640.C
+++ b/gcc/testsuite/g++.dg/cpp1y/pr57640.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for chrono" { ! hostedlib } }
 
 #include <chrono>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/pr77786.C b/gcc/testsuite/g++.dg/cpp1y/pr77786.C
index e242228335cb2..c1e2be708404c 100644
--- a/gcc/testsuite/g++.dg/cpp1y/pr77786.C
+++ b/gcc/testsuite/g++.dg/cpp1y/pr77786.C
@@ -1,5 +1,6 @@ 
 // PR c++/77786
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/pr95226.C b/gcc/testsuite/g++.dg/cpp1y/pr95226.C
index 614c83c8cdabe..0808bd6a2312f 100644
--- a/gcc/testsuite/g++.dg/cpp1y/pr95226.C
+++ b/gcc/testsuite/g++.dg/cpp1y/pr95226.C
@@ -1,5 +1,6 @@ 
 // PR c++/95226
 // { dg-do run { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-sfinae.C b/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-sfinae.C
index b523858e9c093..f1cd1cc8b46df 100644
--- a/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-sfinae.C
+++ b/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-sfinae.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { target c++14 } }
 // { dg-options -w }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-vs-std-literal-operator.C b/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-vs-std-literal-operator.C
index c5a67c96cf6b4..babef5a25ecd6 100644
--- a/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-vs-std-literal-operator.C
+++ b/gcc/testsuite/g++.dg/cpp1y/udlit-char-template-vs-std-literal-operator.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { target c++14 } }
 // { dg-options -w }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/udlit-userdef-string.C b/gcc/testsuite/g++.dg/cpp1y/udlit-userdef-string.C
index cad4a1dfc6642..c75e0169beab5 100644
--- a/gcc/testsuite/g++.dg/cpp1y/udlit-userdef-string.C
+++ b/gcc/testsuite/g++.dg/cpp1y/udlit-userdef-string.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for complex in complex_literals.h" { ! hostedlib } }
 
 #include "complex_literals.h"
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/class-deduction14.C b/gcc/testsuite/g++.dg/cpp1z/class-deduction14.C
index ba2ba9bd1ec16..69bcd8f670eaf 100644
--- a/gcc/testsuite/g++.dg/cpp1z/class-deduction14.C
+++ b/gcc/testsuite/g++.dg/cpp1z/class-deduction14.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++17 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-1.C b/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-1.C
index 311209acb43b2..204836019b5cf 100644
--- a/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-1.C
+++ b/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-1.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-std=gnu++17" } */
+/* { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-3.C b/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-3.C
index 0cf8940e109cf..6950374643c02 100644
--- a/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-3.C
+++ b/gcc/testsuite/g++.dg/cpp1z/constexpr-asm-3.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-std=gnu++17" } */
+/* { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/decomp37.C b/gcc/testsuite/g++.dg/cpp1z/decomp37.C
index 6bf81769b7ef5..6e0e8b561c9fc 100644
--- a/gcc/testsuite/g++.dg/cpp1z/decomp37.C
+++ b/gcc/testsuite/g++.dg/cpp1z/decomp37.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++17 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <memory>
 #include <tuple>
diff --git a/gcc/testsuite/g++.dg/cpp1z/eval-order2.C b/gcc/testsuite/g++.dg/cpp1z/eval-order2.C
index af26cb20744e1..1be2af75ef594 100644
--- a/gcc/testsuite/g++.dg/cpp1z/eval-order2.C
+++ b/gcc/testsuite/g++.dg/cpp1z/eval-order2.C
@@ -1,5 +1,6 @@ 
 // P0145R2: Refining Expression Order for C++
 // { dg-do run { target c++17 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 #define assert(X) if (!(X)) __builtin_abort();
diff --git a/gcc/testsuite/g++.dg/cpp1z/feat-cxx1z.C b/gcc/testsuite/g++.dg/cpp1z/feat-cxx1z.C
index e6f456b24154b..bb16425982e9e 100644
--- a/gcc/testsuite/g++.dg/cpp1z/feat-cxx1z.C
+++ b/gcc/testsuite/g++.dg/cpp1z/feat-cxx1z.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-std=c++17 -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 //  C++98 features:
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/fold1.C b/gcc/testsuite/g++.dg/cpp1z/fold1.C
index 6d004676707d4..ee5f4840143cf 100644
--- a/gcc/testsuite/g++.dg/cpp1z/fold1.C
+++ b/gcc/testsuite/g++.dg/cpp1z/fold1.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { target c++17 } }
 // { dg-options "" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/init-statement6.C b/gcc/testsuite/g++.dg/cpp1z/init-statement6.C
index e1848aa5e4abf..95a4bea085bde 100644
--- a/gcc/testsuite/g++.dg/cpp1z/init-statement6.C
+++ b/gcc/testsuite/g++.dg/cpp1z/init-statement6.C
@@ -1,5 +1,6 @@ 
 // Testcase from P0305R1
 // { dg-do compile { target c++17 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 #include <map>
diff --git a/gcc/testsuite/g++.dg/cpp1z/launder3.C b/gcc/testsuite/g++.dg/cpp1z/launder3.C
index 2a2afc5cad1e4..9095400358934 100644
--- a/gcc/testsuite/g++.dg/cpp1z/launder3.C
+++ b/gcc/testsuite/g++.dg/cpp1z/launder3.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { target c++11 } }
 // { dg-additional-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/launder4.C b/gcc/testsuite/g++.dg/cpp1z/launder4.C
index 3a65eb27f2e86..d9698f8c18219 100644
--- a/gcc/testsuite/g++.dg/cpp1z/launder4.C
+++ b/gcc/testsuite/g++.dg/cpp1z/launder4.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { target c++11 } }
 // { dg-additional-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/launder5.C b/gcc/testsuite/g++.dg/cpp1z/launder5.C
index 483d6f2929775..5bc97f63aff94 100644
--- a/gcc/testsuite/g++.dg/cpp1z/launder5.C
+++ b/gcc/testsuite/g++.dg/cpp1z/launder5.C
@@ -1,6 +1,7 @@ 
 // { dg-do run { target c++11 } }
 // { dg-additional-options "-O2" }
 // { dg-additional-sources "launder5.cc" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include "launder5.h"
diff --git a/gcc/testsuite/g++.dg/cpp1z/launder6.C b/gcc/testsuite/g++.dg/cpp1z/launder6.C
index babc4b433ad78..e92b02cd5e2ae 100644
--- a/gcc/testsuite/g++.dg/cpp1z/launder6.C
+++ b/gcc/testsuite/g++.dg/cpp1z/launder6.C
@@ -1,6 +1,7 @@ 
 // { dg-do run { target c++11 } }
 // { dg-additional-options "-O2" }
 // { dg-additional-sources "launder6.cc" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 #include "launder6.h"
 
diff --git a/gcc/testsuite/g++.dg/cpp1z/utf8.C b/gcc/testsuite/g++.dg/cpp1z/utf8.C
index ed413f30976c1..1d496a10370d4 100644
--- a/gcc/testsuite/g++.dg/cpp1z/utf8.C
+++ b/gcc/testsuite/g++.dg/cpp1z/utf8.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++17 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include <experimental/type_traits>
diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating12.C b/gcc/testsuite/g++.dg/cpp23/ext-floating12.C
index a09c3fc10c4ec..c1edcd593ef7a 100644
--- a/gcc/testsuite/g++.dg/cpp23/ext-floating12.C
+++ b/gcc/testsuite/g++.dg/cpp23/ext-floating12.C
@@ -3,6 +3,7 @@ 
 // { dg-options "" }
 // { dg-add-options float16 }
 // { dg-add-options bfloat16 }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 #include <complex>
 #include <stdfloat>
diff --git a/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C b/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C
index d81aab756382d..a1ddc81cefdeb 100644
--- a/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C
+++ b/gcc/testsuite/g++.dg/cpp23/feat-cxx2b.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-std=c++2b -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 //  C++98 features:
 
diff --git a/gcc/testsuite/g++.dg/cpp23/subscript5.C b/gcc/testsuite/g++.dg/cpp23/subscript5.C
index b36bc774ec4d1..eac6a2457280f 100644
--- a/gcc/testsuite/g++.dg/cpp23/subscript5.C
+++ b/gcc/testsuite/g++.dg/cpp23/subscript5.C
@@ -1,5 +1,6 @@ 
 // P2128R6
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include <initializer_list>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/cpp23/subscript6.C b/gcc/testsuite/g++.dg/cpp23/subscript6.C
index 72c7aef42af17..df4a6f92166c2 100644
--- a/gcc/testsuite/g++.dg/cpp23/subscript6.C
+++ b/gcc/testsuite/g++.dg/cpp23/subscript6.C
@@ -1,6 +1,7 @@ 
 // P2128R6
 // { dg-do run }
 // { dg-options "-std=c++23" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include <initializer_list>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/cpp26/constexpr-new2.C b/gcc/testsuite/g++.dg/cpp26/constexpr-new2.C
index e333185425376..02200ecb36334 100644
--- a/gcc/testsuite/g++.dg/cpp26/constexpr-new2.C
+++ b/gcc/testsuite/g++.dg/cpp26/constexpr-new2.C
@@ -1,5 +1,6 @@ 
 // C++26 P2747R2 - constexpr placement new
 // { dg-do compile { target c++26 } }
+// { dg-skip-if "requires hosted libstdc++ for memory allocator" { ! hostedlib } }
 
 #include <memory>
 #include <new>
diff --git a/gcc/testsuite/g++.dg/cpp26/constexpr-voidptr1.C b/gcc/testsuite/g++.dg/cpp26/constexpr-voidptr1.C
index ce0ccbef5f9ad..c9e645515ab1e 100644
--- a/gcc/testsuite/g++.dg/cpp26/constexpr-voidptr1.C
+++ b/gcc/testsuite/g++.dg/cpp26/constexpr-voidptr1.C
@@ -1,5 +1,6 @@ 
 // PR c++/110344
 // { dg-do compile { target c++26 } }
+// { dg-skip-if "requires hosted libstdc++ for cwchar" { ! hostedlib } }
 
 #include <string_view>
 struct Sheep {
diff --git a/gcc/testsuite/g++.dg/cpp26/feat-cxx26.C b/gcc/testsuite/g++.dg/cpp26/feat-cxx26.C
index 82be39c996f24..52c89e498fb07 100644
--- a/gcc/testsuite/g++.dg/cpp26/feat-cxx26.C
+++ b/gcc/testsuite/g++.dg/cpp26/feat-cxx26.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-std=c++26 -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 //  C++98 features:
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-cmath.C b/gcc/testsuite/g++.dg/cpp2a/concepts-cmath.C
index d13100b96f9cc..7864935cfc0a0 100644
--- a/gcc/testsuite/g++.dg/cpp2a/concepts-cmath.C
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-cmath.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } }
 
 #include <cmath>
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec1.C b/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec1.C
index 2fe479934a8bc..e48d640a16796 100644
--- a/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec1.C
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec4.C b/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec4.C
index 471eaba773fc4..94cebb9cd2a45 100644
--- a/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec4.C
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec4.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec5.C b/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec5.C
index a15749a88be1c..3cb525ec25cef 100644
--- a/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec5.C
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-explicit-spec5.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-memfun.C b/gcc/testsuite/g++.dg/cpp2a/concepts-memfun.C
index 77e10c6b5c72d..865ca3743112a 100644
--- a/gcc/testsuite/g++.dg/cpp2a/concepts-memfun.C
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-memfun.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/concepts-pr67774.C b/gcc/testsuite/g++.dg/cpp2a/concepts-pr67774.C
index 58c5002093769..a415de3f3b1f2 100644
--- a/gcc/testsuite/g++.dg/cpp2a/concepts-pr67774.C
+++ b/gcc/testsuite/g++.dg/cpp2a/concepts-pr67774.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++20 } }
 // { dg-additional-options "-fconcepts" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <type_traits>
 #include <utility>
diff --git a/gcc/testsuite/g++.dg/cpp2a/cond-triv2.C b/gcc/testsuite/g++.dg/cpp2a/cond-triv2.C
index 531ec1c4c725f..835276b281503 100644
--- a/gcc/testsuite/g++.dg/cpp2a/cond-triv2.C
+++ b/gcc/testsuite/g++.dg/cpp2a/cond-triv2.C
@@ -1,5 +1,6 @@ 
 // PR c++/67348
 // { dg-do compile { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <type_traits>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/cpp2a/destroying-delete5.C b/gcc/testsuite/g++.dg/cpp2a/destroying-delete5.C
index 6113d7f3d9e77..d298d1a124c8b 100644
--- a/gcc/testsuite/g++.dg/cpp2a/destroying-delete5.C
+++ b/gcc/testsuite/g++.dg/cpp2a/destroying-delete5.C
@@ -1,6 +1,7 @@ 
 // PR c++/91859
 // { dg-do run { target c++20 } }
 // { dg-additional-options -O2 }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <cstdlib>
 #include <new>
diff --git a/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C b/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C
index fc268d44e1a9d..3c43e9dae4655 100644
--- a/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C
+++ b/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-std=c++2a -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 //  C++98 features:
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/nontype-float1.C b/gcc/testsuite/g++.dg/cpp2a/nontype-float1.C
index 4fafac1379311..4a816dacd0fb4 100644
--- a/gcc/testsuite/g++.dg/cpp2a/nontype-float1.C
+++ b/gcc/testsuite/g++.dg/cpp2a/nontype-float1.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } }
 
 #include <cmath>
 
diff --git a/gcc/testsuite/g++.dg/diagnostic/disable.C b/gcc/testsuite/g++.dg/diagnostic/disable.C
index 7d86e073b26c9..c055c40bd4997 100644
--- a/gcc/testsuite/g++.dg/diagnostic/disable.C
+++ b/gcc/testsuite/g++.dg/diagnostic/disable.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-Wtemplates -Wmultiple-inheritance -Wvirtual-inheritance -Wnamespaces" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 #include <algorithm>
diff --git a/gcc/testsuite/g++.dg/diagnostic/missing-header-pr110164.C b/gcc/testsuite/g++.dg/diagnostic/missing-header-pr110164.C
index 15980071c383e..737bbb503b6f7 100644
--- a/gcc/testsuite/g++.dg/diagnostic/missing-header-pr110164.C
+++ b/gcc/testsuite/g++.dg/diagnostic/missing-header-pr110164.C
@@ -1,4 +1,5 @@ 
 // { dg-require-effective-target c++11 }
+// { dg-skip-if "requires hosted libstdc++ for map" { ! hostedlib } }
 
 #include <map>
 
diff --git a/gcc/testsuite/g++.dg/diagnostic/pr65923.C b/gcc/testsuite/g++.dg/diagnostic/pr65923.C
index 036f447818133..85ac03e00c956 100644
--- a/gcc/testsuite/g++.dg/diagnostic/pr65923.C
+++ b/gcc/testsuite/g++.dg/diagnostic/pr65923.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++14 } }
+// { dg-skip-if "requires hosted libstdc++ for chrono" { ! hostedlib } }
 
 #include <chrono>
 
diff --git a/gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C b/gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C
index 8ea25e57ca251..5cc5a8f7dc0ac 100644
--- a/gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C
+++ b/gcc/testsuite/g++.dg/eh/arm-vfp-unwind.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run } */
 /* { dg-require-effective-target arm32 } */
+/* { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } } */
 
 /* Test to catch off-by-one errors in arm/pr-support.c.  */
 
diff --git a/gcc/testsuite/g++.dg/eh/crossjump1.C b/gcc/testsuite/g++.dg/eh/crossjump1.C
index ccb0ffb218556..dca2adbff5240 100644
--- a/gcc/testsuite/g++.dg/eh/crossjump1.C
+++ b/gcc/testsuite/g++.dg/eh/crossjump1.C
@@ -3,6 +3,7 @@ 
 // and one without REG_EH_REGION note.
 // { dg-do run }
 // { dg-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <exception>
 #include <string>
diff --git a/gcc/testsuite/g++.dg/eh/filter2.C b/gcc/testsuite/g++.dg/eh/filter2.C
index fe87cc9a30817..e8f96cfd4e60c 100644
--- a/gcc/testsuite/g++.dg/eh/filter2.C
+++ b/gcc/testsuite/g++.dg/eh/filter2.C
@@ -2,6 +2,7 @@ 
 // running destructors.  Original bug depended on a::~a being inlined.
 // { dg-do run }
 // { dg-options -O }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include <exception>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/eh/omit-frame-pointer.C b/gcc/testsuite/g++.dg/eh/omit-frame-pointer.C
index 3792e11fe4c90..f563410ae05c1 100644
--- a/gcc/testsuite/g++.dg/eh/omit-frame-pointer.C
+++ b/gcc/testsuite/g++.dg/eh/omit-frame-pointer.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options -fomit-frame-pointer }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.dg/eh/simd-3.C b/gcc/testsuite/g++.dg/eh/simd-3.C
index 5ac75c932203d..8af385ce14b93 100644
--- a/gcc/testsuite/g++.dg/eh/simd-3.C
+++ b/gcc/testsuite/g++.dg/eh/simd-3.C
@@ -1,6 +1,7 @@ 
 // { dg-options "-O" }
 // { dg-options "-O -maltivec" { target { powerpc*-*-darwin* && powerpc_altivec_ok } } }
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstdlib>
 #include <cstring>
diff --git a/gcc/testsuite/g++.dg/eh/uncaught1.C b/gcc/testsuite/g++.dg/eh/uncaught1.C
index 4f05be59fd1a2..9a414b5732aac 100644
--- a/gcc/testsuite/g++.dg/eh/uncaught1.C
+++ b/gcc/testsuite/g++.dg/eh/uncaught1.C
@@ -2,6 +2,7 @@ 
 // { dg-do run }
 // { dg-options "-Wno-deprecated" }
 // { dg-options "-fuse-cxa-get-exception-ptr -Wno-deprecated" { target powerpc*-*-darwin* } }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include <exception>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/eh/uncaught2.C b/gcc/testsuite/g++.dg/eh/uncaught2.C
index 62e4d4ded225b..42fd664d91cf6 100644
--- a/gcc/testsuite/g++.dg/eh/uncaught2.C
+++ b/gcc/testsuite/g++.dg/eh/uncaught2.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-final { scan-assembler-not "__cxa_get_exception" } }
 // { dg-options "-fno-use-cxa-get-exception-ptr -Wno-deprecated" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include <exception>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/expr/anew1.C b/gcc/testsuite/g++.dg/expr/anew1.C
index d7a4288802a10..d512936582305 100644
--- a/gcc/testsuite/g++.dg/expr/anew1.C
+++ b/gcc/testsuite/g++.dg/expr/anew1.C
@@ -1,4 +1,6 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // PR 11228: array operator new, with zero-initialization and a variable sized array.
 // Regression test for PR 
 // Author: Matt Austern <austern@apple.com>
diff --git a/gcc/testsuite/g++.dg/expr/anew2.C b/gcc/testsuite/g++.dg/expr/anew2.C
index fbf2152d4acc1..36c9a2bbb713c 100644
--- a/gcc/testsuite/g++.dg/expr/anew2.C
+++ b/gcc/testsuite/g++.dg/expr/anew2.C
@@ -1,4 +1,6 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // PR 11228: array operator new, with zero-initialization and a variable sized array.
 // Regression test for PR 
 // Author: Matt Austern <austern@apple.com>
diff --git a/gcc/testsuite/g++.dg/expr/anew3.C b/gcc/testsuite/g++.dg/expr/anew3.C
index 9bb64ea4ea70d..1ab639a5dc752 100644
--- a/gcc/testsuite/g++.dg/expr/anew3.C
+++ b/gcc/testsuite/g++.dg/expr/anew3.C
@@ -1,4 +1,6 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // PR 11228: array operator new, with zero-initialization and a variable sized array.
 // Regression test for PR 
 // Author: Matt Austern <austern@apple.com>
diff --git a/gcc/testsuite/g++.dg/expr/anew4.C b/gcc/testsuite/g++.dg/expr/anew4.C
index 4ce1d8899f96b..9b55d45f0a630 100644
--- a/gcc/testsuite/g++.dg/expr/anew4.C
+++ b/gcc/testsuite/g++.dg/expr/anew4.C
@@ -1,4 +1,6 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // PR 11228: array operator new, with zero-initialization and a variable sized array.
 // Regression test for PR 
 // Author: Matt Austern <austern@apple.com>
diff --git a/gcc/testsuite/g++.dg/ext/bases.C b/gcc/testsuite/g++.dg/ext/bases.C
index 43f71925dcd62..9de34c76c1e97 100644
--- a/gcc/testsuite/g++.dg/ext/bases.C
+++ b/gcc/testsuite/g++.dg/ext/bases.C
@@ -1,5 +1,6 @@ 
 // { dg-options "-w" }
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include<typeinfo>
 #include<cassert>
diff --git a/gcc/testsuite/g++.dg/ext/builtin-line1.C b/gcc/testsuite/g++.dg/ext/builtin-line1.C
index 21a4f59a46f33..4fd6e0c01449d 100644
--- a/gcc/testsuite/g++.dg/ext/builtin-line1.C
+++ b/gcc/testsuite/g++.dg/ext/builtin-line1.C
@@ -1,5 +1,6 @@ 
 // __builtin_LINE gets the location where the default argument is expanded.
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 struct Foo
diff --git a/gcc/testsuite/g++.dg/ext/builtin10.C b/gcc/testsuite/g++.dg/ext/builtin10.C
index 64e8995f3bfe9..de3df967cc11a 100644
--- a/gcc/testsuite/g++.dg/ext/builtin10.C
+++ b/gcc/testsuite/g++.dg/ext/builtin10.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target correct_iso_cpp_string_wchar_protos } }
 // { dg-options "-O2 -fdump-tree-optimized" }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstring>
 
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-10.C b/gcc/testsuite/g++.dg/ext/cleanup-10.C
index 56aeb66b8507c..0d535e451a7ed 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-10.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-10.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 /* Verify that cleanups work with exception handling through signal frames
    on alternate stack.  */
 
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-11.C b/gcc/testsuite/g++.dg/ext/cleanup-11.C
index c6d35607d1a36..b9e7426d44bfe 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-11.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-11.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 /* Verify that cleanups work with exception handling through realtime signal
    frames on alternate stack.  */
 
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-5.C b/gcc/testsuite/g++.dg/ext/cleanup-5.C
index 167f01a7cc545..ee7b4a0d2481d 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-5.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-5.C
@@ -2,6 +2,7 @@ 
 /* { dg-do run } */
 /* { dg-options "-fexceptions" } */
 /* { dg-skip-if "" { "ia64-*-hpux11.*" } } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 /* Verify that cleanups work with exception handling.  */
 
 #include <unwind.h>
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-8.C b/gcc/testsuite/g++.dg/ext/cleanup-8.C
index e99508dfdbfa9..13d55f174d510 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-8.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-8.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 /* Verify that cleanups work with exception handling through signal
    frames.  */
 
diff --git a/gcc/testsuite/g++.dg/ext/cleanup-9.C b/gcc/testsuite/g++.dg/ext/cleanup-9.C
index 45e5f90bceefc..282df75c1a838 100644
--- a/gcc/testsuite/g++.dg/ext/cleanup-9.C
+++ b/gcc/testsuite/g++.dg/ext/cleanup-9.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run { target hppa*-*-hpux* *-*-linux* *-*-gnu* powerpc*-*-darwin* *-*-darwin[912]* *-*-uclinux* } } */
 /* { dg-options "-fexceptions -fnon-call-exceptions -O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 /* Verify that cleanups work with exception handling through realtime
    signal frames.  */
 
diff --git a/gcc/testsuite/g++.dg/ext/complex4.C b/gcc/testsuite/g++.dg/ext/complex4.C
index 78b9356702e3c..b53e289decf75 100644
--- a/gcc/testsuite/g++.dg/ext/complex4.C
+++ b/gcc/testsuite/g++.dg/ext/complex4.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 // This code used to be rejected as there was no conversion from int to float __complex__
  #include <vector>
  typedef float __complex__ fcomplex;
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_assign.C b/gcc/testsuite/g++.dg/ext/has_nothrow_assign.C
index 36b93d8118348..c7d0d3a5bd034 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_assign.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_assign.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_assign_odr.C b/gcc/testsuite/g++.dg/ext/has_nothrow_assign_odr.C
index 594d3a98672da..59715ae87f2ad 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_assign_odr.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_assign_odr.C
@@ -1,5 +1,6 @@ 
 // PR c++/36870
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_constructor.C b/gcc/testsuite/g++.dg/ext/has_nothrow_constructor.C
index 03304452f8c2d..a167877e64196 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_constructor.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_constructor.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_constructor_odr.C b/gcc/testsuite/g++.dg/ext/has_nothrow_constructor_odr.C
index 68ca111b09da1..04cad04b29188 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_constructor_odr.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_constructor_odr.C
@@ -1,5 +1,6 @@ 
 // PR c++/36870
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct S { S (); };
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C
index 04f681f602a1f..f4100817fce10 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-2.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-2.C
index 901d2110748f7..45f99e4fe4acb 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-2.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-2.C
@@ -1,5 +1,6 @@ 
 // PR c++/36871
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A {
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-3.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-3.C
index 7970044109378..fb652e6e99ec7 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-3.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-3.C
@@ -1,5 +1,6 @@ 
 // PR c++/36871
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct F {
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-4.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-4.C
index 63e67331ec808..ca198ed5ea692 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-4.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-4.C
@@ -1,5 +1,6 @@ 
 // PR c++/36872
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct S {
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-5.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-5.C
index e92801d61bfd1..58d63662720c9 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-5.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-5.C
@@ -1,5 +1,6 @@ 
 // PR c++/36872
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct S {
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-6.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-6.C
index c4e0a5ce7ba5f..88255dc788859 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-6.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-6.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct S {
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-7.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-7.C
index 076f8a31ff645..ee23aaaae4929 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-7.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-7.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct S {
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy_odr.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy_odr.C
index 573fd2f80c853..bf1ea0addaf84 100644
--- a/gcc/testsuite/g++.dg/ext/has_nothrow_copy_odr.C
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy_odr.C
@@ -1,5 +1,6 @@ 
 // PR c++/36870
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct S { S (const S&); };
diff --git a/gcc/testsuite/g++.dg/ext/has_trivial_assign.C b/gcc/testsuite/g++.dg/ext/has_trivial_assign.C
index dce0f8b3a5162..6a6a718a20465 100644
--- a/gcc/testsuite/g++.dg/ext/has_trivial_assign.C
+++ b/gcc/testsuite/g++.dg/ext/has_trivial_assign.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/has_trivial_constructor.C b/gcc/testsuite/g++.dg/ext/has_trivial_constructor.C
index f4addd82446fc..021d2d72e1f26 100644
--- a/gcc/testsuite/g++.dg/ext/has_trivial_constructor.C
+++ b/gcc/testsuite/g++.dg/ext/has_trivial_constructor.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/has_trivial_copy.C b/gcc/testsuite/g++.dg/ext/has_trivial_copy.C
index 4d2341b17e1d0..dd879f708f50e 100644
--- a/gcc/testsuite/g++.dg/ext/has_trivial_copy.C
+++ b/gcc/testsuite/g++.dg/ext/has_trivial_copy.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/has_trivial_destructor-1.C b/gcc/testsuite/g++.dg/ext/has_trivial_destructor-1.C
index 2834c238d6e97..4ae89e43e3825 100644
--- a/gcc/testsuite/g++.dg/ext/has_trivial_destructor-1.C
+++ b/gcc/testsuite/g++.dg/ext/has_trivial_destructor-1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/has_virtual_destructor.C b/gcc/testsuite/g++.dg/ext/has_virtual_destructor.C
index 62b60aebf59e9..5f3615e92673f 100644
--- a/gcc/testsuite/g++.dg/ext/has_virtual_destructor.C
+++ b/gcc/testsuite/g++.dg/ext/has_virtual_destructor.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 #include <exception>
 
diff --git a/gcc/testsuite/g++.dg/ext/is_abstract.C b/gcc/testsuite/g++.dg/ext/is_abstract.C
index 2d7149452ffe1..6bda8c2d1b114 100644
--- a/gcc/testsuite/g++.dg/ext/is_abstract.C
+++ b/gcc/testsuite/g++.dg/ext/is_abstract.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/is_aggregate.C b/gcc/testsuite/g++.dg/ext/is_aggregate.C
index bdcc70fa7c228..75172d414f5d5 100644
--- a/gcc/testsuite/g++.dg/ext/is_aggregate.C
+++ b/gcc/testsuite/g++.dg/ext/is_aggregate.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 template<typename T>
diff --git a/gcc/testsuite/g++.dg/ext/is_base_of.C b/gcc/testsuite/g++.dg/ext/is_base_of.C
index 8afa532e1cddb..7204717e23840 100644
--- a/gcc/testsuite/g++.dg/ext/is_base_of.C
+++ b/gcc/testsuite/g++.dg/ext/is_base_of.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 class A1
diff --git a/gcc/testsuite/g++.dg/ext/is_class.C b/gcc/testsuite/g++.dg/ext/is_class.C
index 6f39828558099..f06f53e3ca88c 100644
--- a/gcc/testsuite/g++.dg/ext/is_class.C
+++ b/gcc/testsuite/g++.dg/ext/is_class.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/is_convertible2.C b/gcc/testsuite/g++.dg/ext/is_convertible2.C
index 9b46e2643793e..3dd90bdafb908 100644
--- a/gcc/testsuite/g++.dg/ext/is_convertible2.C
+++ b/gcc/testsuite/g++.dg/ext/is_convertible2.C
@@ -1,5 +1,6 @@ 
 // PR c++/106784
 // { dg-do compile { target c++20 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 // Adapted from <https://en.cppreference.com/w/cpp/types/is_convertible>.
 
 #include <string>
diff --git a/gcc/testsuite/g++.dg/ext/is_empty.C b/gcc/testsuite/g++.dg/ext/is_empty.C
index 4c58941b3bf3f..03c7dc0919e48 100644
--- a/gcc/testsuite/g++.dg/ext/is_empty.C
+++ b/gcc/testsuite/g++.dg/ext/is_empty.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/is_enum.C b/gcc/testsuite/g++.dg/ext/is_enum.C
index 4ac1723ed9a1d..337c00ef14554 100644
--- a/gcc/testsuite/g++.dg/ext/is_enum.C
+++ b/gcc/testsuite/g++.dg/ext/is_enum.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/is_invocable2.C b/gcc/testsuite/g++.dg/ext/is_invocable2.C
index a68aefd3e13b2..3df31656fcba5 100644
--- a/gcc/testsuite/g++.dg/ext/is_invocable2.C
+++ b/gcc/testsuite/g++.dg/ext/is_invocable2.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for functional function" { ! hostedlib } }
 // __is_invocable should handle std::reference_wrapper correctly.
 
 #include <functional>
diff --git a/gcc/testsuite/g++.dg/ext/is_pod.C b/gcc/testsuite/g++.dg/ext/is_pod.C
index d073889c839f7..39035859c205b 100644
--- a/gcc/testsuite/g++.dg/ext/is_pod.C
+++ b/gcc/testsuite/g++.dg/ext/is_pod.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/is_polymorphic.C b/gcc/testsuite/g++.dg/ext/is_polymorphic.C
index 462e4b705d8f2..54adaf411ab22 100644
--- a/gcc/testsuite/g++.dg/ext/is_polymorphic.C
+++ b/gcc/testsuite/g++.dg/ext/is_polymorphic.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 #include <exception>
 
diff --git a/gcc/testsuite/g++.dg/ext/is_union.C b/gcc/testsuite/g++.dg/ext/is_union.C
index c95f5a6e56143..b2ac487227447 100644
--- a/gcc/testsuite/g++.dg/ext/is_union.C
+++ b/gcc/testsuite/g++.dg/ext/is_union.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 
 struct A
diff --git a/gcc/testsuite/g++.dg/ext/underlying_type10.C b/gcc/testsuite/g++.dg/ext/underlying_type10.C
index 66ba02e997e24..c6e8d6d0b3618 100644
--- a/gcc/testsuite/g++.dg/ext/underlying_type10.C
+++ b/gcc/testsuite/g++.dg/ext/underlying_type10.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/ext/underlying_type4.C b/gcc/testsuite/g++.dg/ext/underlying_type4.C
index b80ed57694ba9..f85d35c969713 100644
--- a/gcc/testsuite/g++.dg/ext/underlying_type4.C
+++ b/gcc/testsuite/g++.dg/ext/underlying_type4.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for tr1/type_traits" { ! hostedlib } }
 
 #include <tr1/type_traits>
 
diff --git a/gcc/testsuite/g++.dg/gcov/gcov-14.C b/gcc/testsuite/g++.dg/gcov/gcov-14.C
index b069d0e1881c6..68f3ab4305587 100644
--- a/gcc/testsuite/g++.dg/gcov/gcov-14.C
+++ b/gcc/testsuite/g++.dg/gcov/gcov-14.C
@@ -1,5 +1,6 @@ 
 /* { dg-options "-fprofile-arcs -ftest-coverage -Ofast" } */
 /* { dg-do run { target native } } */
+/* { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } } */
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.dg/gcov/gcov-18.C b/gcc/testsuite/g++.dg/gcov/gcov-18.C
index 620aef1269955..063440c881c42 100644
--- a/gcc/testsuite/g++.dg/gcov/gcov-18.C
+++ b/gcc/testsuite/g++.dg/gcov/gcov-18.C
@@ -1,5 +1,6 @@ 
 /* { dg-options "--coverage -fcondition-coverage -std=c++11" } */
 /* { dg-do run { target native } } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 #include <stdexcept>
diff --git a/gcc/testsuite/g++.dg/gcov/pr88045.C b/gcc/testsuite/g++.dg/gcov/pr88045.C
index 1b077a5e61a26..329c74fb93dbb 100644
--- a/gcc/testsuite/g++.dg/gcov/pr88045.C
+++ b/gcc/testsuite/g++.dg/gcov/pr88045.C
@@ -1,6 +1,7 @@ 
 // PR gcov-profile/88045
 // { dg-options "-fprofile-arcs -ftest-coverage -std=c++11" }
 // { dg-do run { target native } }
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <numeric>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/gcov/pr88263-2.C b/gcc/testsuite/g++.dg/gcov/pr88263-2.C
index f0cf15f5d0a34..cc0a08e9026cf 100644
--- a/gcc/testsuite/g++.dg/gcov/pr88263-2.C
+++ b/gcc/testsuite/g++.dg/gcov/pr88263-2.C
@@ -1,6 +1,7 @@ 
 // PR gcov-profile/88263
 // { dg-options "-fprofile-arcs -ftest-coverage -std=c++11" }
 // { dg-do run { target native } }
+/* { dg-skip-if "requires hosted libstdc++ for sstream" { ! hostedlib } } */
 
 #include <sstream>
 
diff --git a/gcc/testsuite/g++.dg/gcov/pr88263.C b/gcc/testsuite/g++.dg/gcov/pr88263.C
index 854772f0594c9..4318a26abac52 100644
--- a/gcc/testsuite/g++.dg/gcov/pr88263.C
+++ b/gcc/testsuite/g++.dg/gcov/pr88263.C
@@ -1,6 +1,7 @@ 
 // PR gcov-profile/88263
 // { dg-options "-fprofile-arcs -ftest-coverage -std=c++11" }
 // { dg-do run { target native } }
+/* { dg-skip-if "requires hosted libstdc++ for sstream" { ! hostedlib } } */
 
 #include <sstream>
 
diff --git a/gcc/testsuite/g++.dg/goacc/pr107028-2.C b/gcc/testsuite/g++.dg/goacc/pr107028-2.C
index cf741bd78c7a9..7bef75090a8f0 100644
--- a/gcc/testsuite/g++.dg/goacc/pr107028-2.C
+++ b/gcc/testsuite/g++.dg/goacc/pr107028-2.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-additional-options "-fdump-tree-gimple" }
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <cstdlib>
 
diff --git a/gcc/testsuite/g++.dg/gomp/has_device_addr-non-lvalue-1.C b/gcc/testsuite/g++.dg/gomp/has_device_addr-non-lvalue-1.C
index 3d778538d3abf..295b1b7cc84ef 100644
--- a/gcc/testsuite/g++.dg/gomp/has_device_addr-non-lvalue-1.C
+++ b/gcc/testsuite/g++.dg/gomp/has_device_addr-non-lvalue-1.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cstdio>
 #include <cstring>
diff --git a/gcc/testsuite/g++.dg/gomp/ind-base-3.C b/gcc/testsuite/g++.dg/gomp/ind-base-3.C
index 7695b1f907e17..e3ecdddf9cb26 100644
--- a/gcc/testsuite/g++.dg/gomp/ind-base-3.C
+++ b/gcc/testsuite/g++.dg/gomp/ind-base-3.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 struct S {
diff --git a/gcc/testsuite/g++.dg/gomp/map-assignment-1.C b/gcc/testsuite/g++.dg/gomp/map-assignment-1.C
index 5979ec379f19e..17862ab3b169c 100644
--- a/gcc/testsuite/g++.dg/gomp/map-assignment-1.C
+++ b/gcc/testsuite/g++.dg/gomp/map-assignment-1.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 int main (int argc, char *argv[])
diff --git a/gcc/testsuite/g++.dg/gomp/map-lvalue-ref-1.C b/gcc/testsuite/g++.dg/gomp/map-lvalue-ref-1.C
index d720d4318ae45..2f75b238ebd03 100644
--- a/gcc/testsuite/g++.dg/gomp/map-lvalue-ref-1.C
+++ b/gcc/testsuite/g++.dg/gomp/map-lvalue-ref-1.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 int glob = 10;
diff --git a/gcc/testsuite/g++.dg/gomp/map-ptrmem-1.C b/gcc/testsuite/g++.dg/gomp/map-ptrmem-1.C
index c4023f59fc608..110996b349c17 100644
--- a/gcc/testsuite/g++.dg/gomp/map-ptrmem-1.C
+++ b/gcc/testsuite/g++.dg/gomp/map-ptrmem-1.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 struct S {
diff --git a/gcc/testsuite/g++.dg/gomp/map-ptrmem-2.C b/gcc/testsuite/g++.dg/gomp/map-ptrmem-2.C
index fbf379da0eb20..644e5bb3c84f1 100644
--- a/gcc/testsuite/g++.dg/gomp/map-ptrmem-2.C
+++ b/gcc/testsuite/g++.dg/gomp/map-ptrmem-2.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 struct S {
diff --git a/gcc/testsuite/g++.dg/gomp/map-static-cast-lvalue-1.C b/gcc/testsuite/g++.dg/gomp/map-static-cast-lvalue-1.C
index 3af9668202cb5..bc9d4dc25d7a5 100644
--- a/gcc/testsuite/g++.dg/gomp/map-static-cast-lvalue-1.C
+++ b/gcc/testsuite/g++.dg/gomp/map-static-cast-lvalue-1.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 int foo (int x)
diff --git a/gcc/testsuite/g++.dg/gomp/map-ternary-1.C b/gcc/testsuite/g++.dg/gomp/map-ternary-1.C
index 7b365a909bbbb..7017fbd30849a 100644
--- a/gcc/testsuite/g++.dg/gomp/map-ternary-1.C
+++ b/gcc/testsuite/g++.dg/gomp/map-ternary-1.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 int foo (bool yesno)
diff --git a/gcc/testsuite/g++.dg/gomp/member-array-2.C b/gcc/testsuite/g++.dg/gomp/member-array-2.C
index caf8ece426248..a4e3a220c41be 100644
--- a/gcc/testsuite/g++.dg/gomp/member-array-2.C
+++ b/gcc/testsuite/g++.dg/gomp/member-array-2.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 typedef int intarr100[100];
diff --git a/gcc/testsuite/g++.dg/gomp/pr71910.C b/gcc/testsuite/g++.dg/gomp/pr71910.C
index 0063be8a9b0f9..aea9483f4396d 100644
--- a/gcc/testsuite/g++.dg/gomp/pr71910.C
+++ b/gcc/testsuite/g++.dg/gomp/pr71910.C
@@ -1,6 +1,7 @@ 
 // PR target/71910
 // { dg-do compile }
 // { dg-additional-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/gomp/pr91118-1.C b/gcc/testsuite/g++.dg/gomp/pr91118-1.C
index f29d69db08470..2ed7e2eabe2ad 100644
--- a/gcc/testsuite/g++.dg/gomp/pr91118-1.C
+++ b/gcc/testsuite/g++.dg/gomp/pr91118-1.C
@@ -1,6 +1,7 @@ 
 // PR c++/91118
 // { dg-do compile }
 // { dg-additional-options "-fsanitize=undefined" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.dg/gomp/sink-2.C b/gcc/testsuite/g++.dg/gomp/sink-2.C
index d1681a77aadcf..26669ef588e71 100644
--- a/gcc/testsuite/g++.dg/gomp/sink-2.C
+++ b/gcc/testsuite/g++.dg/gomp/sink-2.C
@@ -1,4 +1,5 @@ 
 /* { dg-do compile } */
+/* { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } } */
 
 /* Tests iterators are allowed in ordered loops and that we keep track
    of the original iterator DECL for diagnostic purposes.  */
diff --git a/gcc/testsuite/g++.dg/gomp/target-lambda-2.C b/gcc/testsuite/g++.dg/gomp/target-lambda-2.C
index bdf2564cd042d..7c504de36dfdd 100644
--- a/gcc/testsuite/g++.dg/gomp/target-lambda-2.C
+++ b/gcc/testsuite/g++.dg/gomp/target-lambda-2.C
@@ -1,5 +1,7 @@ 
 // We use 'auto' without a function return type, so specify dialect here
 // { dg-additional-options "-std=c++14 -fdump-tree-gimple" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
+
 #include <cstdlib>
 
 #define N 10
diff --git a/gcc/testsuite/g++.dg/gomp/target-this-3.C b/gcc/testsuite/g++.dg/gomp/target-this-3.C
index bc2cc0b297dcb..f4996b131142a 100644
--- a/gcc/testsuite/g++.dg/gomp/target-this-3.C
+++ b/gcc/testsuite/g++.dg/gomp/target-this-3.C
@@ -1,5 +1,7 @@ 
 // { dg-do compile }
 // { dg-additional-options "-fdump-tree-gimple" }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
+
 #include <cstdlib>
 #include <cstring>
 extern "C" void abort ();
diff --git a/gcc/testsuite/g++.dg/gomp/target-this-4.C b/gcc/testsuite/g++.dg/gomp/target-this-4.C
index 9ade3cc0b2b12..bbcde3df23b5e 100644
--- a/gcc/testsuite/g++.dg/gomp/target-this-4.C
+++ b/gcc/testsuite/g++.dg/gomp/target-this-4.C
@@ -1,5 +1,7 @@ 
 // We use 'auto' without a function return type, so specify dialect here
 // { dg-additional-options "-std=c++14 -fdump-tree-gimple" }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
+
 #include <cstdlib>
 #include <cstring>
 
diff --git a/gcc/testsuite/g++.dg/gomp/tile-1.C b/gcc/testsuite/g++.dg/gomp/tile-1.C
index cc45dcdf88050..bcfdc94382905 100644
--- a/gcc/testsuite/g++.dg/gomp/tile-1.C
+++ b/gcc/testsuite/g++.dg/gomp/tile-1.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/gomp/tile-2.C b/gcc/testsuite/g++.dg/gomp/tile-2.C
index dcaa8d736bbfd..757b7fc60cee9 100644
--- a/gcc/testsuite/g++.dg/gomp/tile-2.C
+++ b/gcc/testsuite/g++.dg/gomp/tile-2.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/gomp/unroll-1.C b/gcc/testsuite/g++.dg/gomp/unroll-1.C
index d4b73004b7cfa..f9cb65af5d881 100644
--- a/gcc/testsuite/g++.dg/gomp/unroll-1.C
+++ b/gcc/testsuite/g++.dg/gomp/unroll-1.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/gomp/unroll-2.C b/gcc/testsuite/g++.dg/gomp/unroll-2.C
index d214d728c3a46..1bc21724c78db 100644
--- a/gcc/testsuite/g++.dg/gomp/unroll-2.C
+++ b/gcc/testsuite/g++.dg/gomp/unroll-2.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/gomp/unroll-3.C b/gcc/testsuite/g++.dg/gomp/unroll-3.C
index 6ef24ac2ffbcd..1afe6f4d06561 100644
--- a/gcc/testsuite/g++.dg/gomp/unroll-3.C
+++ b/gcc/testsuite/g++.dg/gomp/unroll-3.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++11 } }
 // { dg-additional-options "-fdump-tree-original -fdump-tree-gimple" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/graphite/id-1.C b/gcc/testsuite/g++.dg/graphite/id-1.C
index 5770e905dfbd9..987d326e3b69b 100644
--- a/gcc/testsuite/g++.dg/graphite/id-1.C
+++ b/gcc/testsuite/g++.dg/graphite/id-1.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
+
 #include <vector>
 
 template <int rank, int dim> class Tensor;
diff --git a/gcc/testsuite/g++.dg/graphite/pr42130.C b/gcc/testsuite/g++.dg/graphite/pr42130.C
index ee31abad0ee01..47052cfecbccc 100644
--- a/gcc/testsuite/g++.dg/graphite/pr42130.C
+++ b/gcc/testsuite/g++.dg/graphite/pr42130.C
@@ -1,4 +1,7 @@ 
 /* { dg-options "-O2 -fgraphite-identity -fno-tree-ch" } */
+/* { dg-do run  } */
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
+
 #include <vector>
 
 using std::vector;
@@ -15,5 +18,3 @@  int main()
   return 0;
 }
 
-/* { dg-do run  } */
-
diff --git a/gcc/testsuite/g++.dg/inherit/virtual8.C b/gcc/testsuite/g++.dg/inherit/virtual8.C
index 4f6a119b2879e..def4eb920f680 100644
--- a/gcc/testsuite/g++.dg/inherit/virtual8.C
+++ b/gcc/testsuite/g++.dg/inherit/virtual8.C
@@ -1,5 +1,6 @@ 
 // PR c++/48035
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <new>
 #include <cstring>
diff --git a/gcc/testsuite/g++.dg/init/array4.C b/gcc/testsuite/g++.dg/init/array4.C
index 4712e9d7253dd..61ef9c0d33fa9 100644
--- a/gcc/testsuite/g++.dg/init/array4.C
+++ b/gcc/testsuite/g++.dg/init/array4.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-require-effective-target size20plus }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 // Origin: Markus Breuer <markus.breuer@materna.de>
 
 // PR c++/6944
diff --git a/gcc/testsuite/g++.dg/init/new11.C b/gcc/testsuite/g++.dg/init/new11.C
index a13f262aa64ab..11c4fe5732f92 100644
--- a/gcc/testsuite/g++.dg/init/new11.C
+++ b/gcc/testsuite/g++.dg/init/new11.C
@@ -1,5 +1,6 @@ 
 // PR c++/17670
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib size_t" { ! hostedlib } }
 
 #include <cstdlib>
 #include <new>
diff --git a/gcc/testsuite/g++.dg/init/new18.C b/gcc/testsuite/g++.dg/init/new18.C
index afe3da9b53e64..0542b28dd4562 100644
--- a/gcc/testsuite/g++.dg/init/new18.C
+++ b/gcc/testsuite/g++.dg/init/new18.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-O2 -fstrict-aliasing -Wno-return-type" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 // This caused an ICE during placement new.
 
diff --git a/gcc/testsuite/g++.dg/init/new39.C b/gcc/testsuite/g++.dg/init/new39.C
index 430701db68436..14f4d17c6a329 100644
--- a/gcc/testsuite/g++.dg/init/new39.C
+++ b/gcc/testsuite/g++.dg/init/new39.C
@@ -1,5 +1,6 @@ 
 // Testcase for overflow handling in operator new[].
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 
 #include <stdlib.h>
 #include <stdexcept>
diff --git a/gcc/testsuite/g++.dg/init/new40.C b/gcc/testsuite/g++.dg/init/new40.C
index 30d9de62a0293..8d90533b0795c 100644
--- a/gcc/testsuite/g++.dg/init/new40.C
+++ b/gcc/testsuite/g++.dg/init/new40.C
@@ -4,6 +4,7 @@ 
 // { dg-options -std=c++03 }
 // { dg-do run }
 // { dg-xfail-run-if "AIX operator new" { powerpc-ibm-aix* } }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 
 #include <assert.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.dg/init/value3.C b/gcc/testsuite/g++.dg/init/value3.C
index 487baabeceb68..c544ec6653265 100644
--- a/gcc/testsuite/g++.dg/init/value3.C
+++ b/gcc/testsuite/g++.dg/init/value3.C
@@ -1,5 +1,6 @@ 
 // Testcase for value-initialization in new-expressions.
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } }
 
 #include <stdlib.h>
 #include <string.h>
diff --git a/gcc/testsuite/g++.dg/ipa/devirt-29.C b/gcc/testsuite/g++.dg/ipa/devirt-29.C
index b4f24a1044ca7..fbd5f5f0cec0d 100644
--- a/gcc/testsuite/g++.dg/ipa/devirt-29.C
+++ b/gcc/testsuite/g++.dg/ipa/devirt-29.C
@@ -1,4 +1,5 @@ 
 /* { dg-do run { target c++11 } } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 /* There is a devirtualizable call. In PR60306 we deduced wrong target to cxa_pure_virtual.
    For gcc 4.10 we temporarily disable the devirtualization.  */
 /* { dg-options "-O3"  } */
diff --git a/gcc/testsuite/g++.dg/ipa/pr85549.C b/gcc/testsuite/g++.dg/ipa/pr85549.C
index ae0336e16b715..4c6e2d266f7a8 100644
--- a/gcc/testsuite/g++.dg/ipa/pr85549.C
+++ b/gcc/testsuite/g++.dg/ipa/pr85549.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run } */
 /* { dg-options "-O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/lookup/missing-std-include-3.C b/gcc/testsuite/g++.dg/lookup/missing-std-include-3.C
index ee567edde6034..02dabceb4cc2c 100644
--- a/gcc/testsuite/g++.dg/lookup/missing-std-include-3.C
+++ b/gcc/testsuite/g++.dg/lookup/missing-std-include-3.C
@@ -3,6 +3,7 @@ 
    For this case, expect to insert the #include at the top of the file. */
 
 /* { dg-options "-fdiagnostics-generate-patch" } */
+/* { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 void test ()
 {
diff --git a/gcc/testsuite/g++.dg/lookup/pr21802.C b/gcc/testsuite/g++.dg/lookup/pr21802.C
index 0b1d63c3c4b55..e33d3e1810eaf 100644
--- a/gcc/testsuite/g++.dg/lookup/pr21802.C
+++ b/gcc/testsuite/g++.dg/lookup/pr21802.C
@@ -1,6 +1,8 @@ 
 // PR c++/21802
 // { dg-do run }
 // { dg-require-effective-target size20plus }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
+
 #include <cassert>
 
 struct X;
diff --git a/gcc/testsuite/g++.dg/lto/20091022-2_0.C b/gcc/testsuite/g++.dg/lto/20091022-2_0.C
index 29ed9b6b0a064..a1606bc3b6273 100644
--- a/gcc/testsuite/g++.dg/lto/20091022-2_0.C
+++ b/gcc/testsuite/g++.dg/lto/20091022-2_0.C
@@ -1,5 +1,6 @@ 
 // { dg-lto-do link }
 // { dg-lto-options {{-O3 -flto -Winline}} }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/lto/20091219_0.C b/gcc/testsuite/g++.dg/lto/20091219_0.C
index b76a95a9d1324..eede1c1d9a6f9 100644
--- a/gcc/testsuite/g++.dg/lto/20091219_0.C
+++ b/gcc/testsuite/g++.dg/lto/20091219_0.C
@@ -1,5 +1,6 @@ 
 // { dg-lto-do run }
 // { dg-lto-options {{-O3 -flto}} }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 #include <map>
diff --git a/gcc/testsuite/g++.dg/lto/pr66180_0.C b/gcc/testsuite/g++.dg/lto/pr66180_0.C
index cfb496bec4ad9..fa597dea88bb3 100644
--- a/gcc/testsuite/g++.dg/lto/pr66180_0.C
+++ b/gcc/testsuite/g++.dg/lto/pr66180_0.C
@@ -1,6 +1,8 @@ 
 // { dg-lto-do link }
 // { dg-require-effective-target lto_incremental }
 // { dg-lto-options { { -flto -std=c++14 -r -nostdlib } } }
+/* { dg-skip-if "requires hosted libstdc++ for memory make_unique" { ! hostedlib } } */
+
 #include <memory>
 namespace {
 class A {
diff --git a/gcc/testsuite/g++.dg/lto/pr80287_0.C b/gcc/testsuite/g++.dg/lto/pr80287_0.C
index ea655c97b29d3..9ca9f7f15f6e5 100644
--- a/gcc/testsuite/g++.dg/lto/pr80287_0.C
+++ b/gcc/testsuite/g++.dg/lto/pr80287_0.C
@@ -1,5 +1,6 @@ 
 // { dg-lto-options { "-std=gnu++17" } }
 // { dg-lto-do run }
+// { dg-skip-if "requires hosted libstdc++ for any" { ! hostedlib } }
 
 // Copyright (C) 2014-2017 Free Software Foundation, Inc.
 //
diff --git a/gcc/testsuite/g++.dg/lto/pr89358_0.C b/gcc/testsuite/g++.dg/lto/pr89358_0.C
index 328c60c2fb18e..ed14b9da7aaf0 100644
--- a/gcc/testsuite/g++.dg/lto/pr89358_0.C
+++ b/gcc/testsuite/g++.dg/lto/pr89358_0.C
@@ -1,5 +1,6 @@ 
 /* { dg-lto-do link } */
 /* { dg-lto-options "-std=c++17"  } */
+/* { dg-skip-if "requires hosted libstdc++ for map" { ! hostedlib } } */
 #include <map>
 
 extern void test();
diff --git a/gcc/testsuite/g++.dg/lto/pr89358_1.C b/gcc/testsuite/g++.dg/lto/pr89358_1.C
index 68b80a3766238..9085b2641d60c 100644
--- a/gcc/testsuite/g++.dg/lto/pr89358_1.C
+++ b/gcc/testsuite/g++.dg/lto/pr89358_1.C
@@ -1,4 +1,5 @@ 
 /* { dg-options "-std=c++14"  } */
+
 #include <map>
 
 void test()
diff --git a/gcc/testsuite/g++.dg/modules/binding-1_a.H b/gcc/testsuite/g++.dg/modules/binding-1_a.H
index 2d2460d903925..ba9fed733ab93 100644
--- a/gcc/testsuite/g++.dg/modules/binding-1_a.H
+++ b/gcc/testsuite/g++.dg/modules/binding-1_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
 // { dg-module-cmi {} }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.dg/modules/binding-1_b.H b/gcc/testsuite/g++.dg/modules/binding-1_b.H
index eb5140bc02458..09b7adfa83ca1 100644
--- a/gcc/testsuite/g++.dg/modules/binding-1_b.H
+++ b/gcc/testsuite/g++.dg/modules/binding-1_b.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
 // { dg-module-cmi {} }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
diff --git a/gcc/testsuite/g++.dg/modules/contracts-1_a.C b/gcc/testsuite/g++.dg/modules/contracts-1_a.C
index 723726451f4e9..98743b17ea2a1 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-1_a.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-1_a.C
@@ -1,6 +1,7 @@ 
 // Basic test to ensure that guarded templates correctly serialize and
 // deserialize their contracts through the CMI.
 // { dg-additional-options "-fmodules-ts -fcontracts -fcontract-continuation-mode=on" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 module;
 #include <cstdio>
 #include <experimental/contract>
diff --git a/gcc/testsuite/g++.dg/modules/contracts-1_b.C b/gcc/testsuite/g++.dg/modules/contracts-1_b.C
index aa36c8d6b1b68..81c0651e909bc 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-1_b.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-1_b.C
@@ -1,5 +1,7 @@ 
 // { dg-module-do run }
 // { dg-additional-options "-fmodules-ts -fcontracts -fcontract-continuation-mode=on" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
+
 #include <cstdio>
 import foo;
 
diff --git a/gcc/testsuite/g++.dg/modules/contracts-2_a.C b/gcc/testsuite/g++.dg/modules/contracts-2_a.C
index 3d78c412d4684..3307d929b82d6 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-2_a.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-2_a.C
@@ -47,3 +47,4 @@  export int pre_print2(int n);
 export int fn3(int n)
   [[ pre: pre_print2(n) > 0 ]];
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
diff --git a/gcc/testsuite/g++.dg/modules/contracts-2_b.C b/gcc/testsuite/g++.dg/modules/contracts-2_b.C
index 01939aeb947bb..9fdcb0c46a4a2 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-2_b.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-2_b.C
@@ -33,3 +33,4 @@  int fn3(int x)
   return x;
 }
 
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
diff --git a/gcc/testsuite/g++.dg/modules/contracts-3_a.C b/gcc/testsuite/g++.dg/modules/contracts-3_a.C
index b931ec0ddf70c..d004a68742fda 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-3_a.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-3_a.C
@@ -1,6 +1,7 @@ 
 // Basic test to ensure that guarded templates correctly serialize and
 // deserialize their contracts through the CMI.
 // { dg-additional-options "-fmodules-ts -fcontracts -fcontract-continuation-mode=on" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 module;
 #include <cstdio>
 #include <experimental/contract>
diff --git a/gcc/testsuite/g++.dg/modules/contracts-3_b.C b/gcc/testsuite/g++.dg/modules/contracts-3_b.C
index 1a29e2c3e5d64..3b9120fe679aa 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-3_b.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-3_b.C
@@ -1,5 +1,7 @@ 
 // { dg-module-do run }
 // { dg-additional-options "-fmodules-ts -fcontracts -fcontract-role=default:ignore,ignore,ignore" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
+
 #include <cstdio>
 import foo;
 
diff --git a/gcc/testsuite/g++.dg/modules/contracts-4_a.C b/gcc/testsuite/g++.dg/modules/contracts-4_a.C
index a135f50fb7d87..0216caef18176 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-4_a.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-4_a.C
@@ -2,6 +2,7 @@ 
 // contracts flag is not set, regardless of the current TU's contract
 // configuration.
 // { dg-additional-options "-fmodules-ts -fcontracts -fcontract-role=default:maybe,maybe,ignore" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 module;
 #include <cstdio>
 #include <experimental/contract>
diff --git a/gcc/testsuite/g++.dg/modules/contracts-4_d.C b/gcc/testsuite/g++.dg/modules/contracts-4_d.C
index 9e6b7c3d4de5d..5ac5fde159b46 100644
--- a/gcc/testsuite/g++.dg/modules/contracts-4_d.C
+++ b/gcc/testsuite/g++.dg/modules/contracts-4_d.C
@@ -1,5 +1,7 @@ 
 // { dg-module-do run }
 // { dg-additional-options "-fmodules-ts -fcontracts" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
+
 #include <cstdio>
 import foo;
 import bar;
diff --git a/gcc/testsuite/g++.dg/modules/global-3_a.C b/gcc/testsuite/g++.dg/modules/global-3_a.C
index fe7bb849ae88c..70d92ea01ca10 100644
--- a/gcc/testsuite/g++.dg/modules/global-3_a.C
+++ b/gcc/testsuite/g++.dg/modules/global-3_a.C
@@ -1,5 +1,6 @@ 
 // { dg-module-do run }
 // { dg-additional-options "-fmodules-ts -fdump-lang-module-graph" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 module;
 #include <iostream>
 export module logger;
diff --git a/gcc/testsuite/g++.dg/modules/hello-1_a.C b/gcc/testsuite/g++.dg/modules/hello-1_a.C
index 75853d6c8ca45..ce13fd9238eb0 100644
--- a/gcc/testsuite/g++.dg/modules/hello-1_a.C
+++ b/gcc/testsuite/g++.dg/modules/hello-1_a.C
@@ -1,5 +1,6 @@ 
 // { dg-module-do run }
 // { dg-additional-options -fmodules-ts }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 module;
 #include <iostream>
diff --git a/gcc/testsuite/g++.dg/modules/hello-2_a.C b/gcc/testsuite/g++.dg/modules/hello-2_a.C
index a8f8b813839fe..89bb92b85fb52 100644
--- a/gcc/testsuite/g++.dg/modules/hello-2_a.C
+++ b/gcc/testsuite/g++.dg/modules/hello-2_a.C
@@ -1,6 +1,7 @@ 
 // PR c++/105512
 // { dg-additional-options -fmodules-ts }
 // { dg-module-cmi Hello2 }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 module;
 #include <string>
diff --git a/gcc/testsuite/g++.dg/modules/hello-2_b.C b/gcc/testsuite/g++.dg/modules/hello-2_b.C
index dafd3c2f7a1b4..35b6ea58939d4 100644
--- a/gcc/testsuite/g++.dg/modules/hello-2_b.C
+++ b/gcc/testsuite/g++.dg/modules/hello-2_b.C
@@ -1,6 +1,7 @@ 
 // PR c++/105512
 // { dg-additional-options -fmodules-ts }
 // { dg-module-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 import Hello2;
diff --git a/gcc/testsuite/g++.dg/modules/iostream-1_a.H b/gcc/testsuite/g++.dg/modules/iostream-1_a.H
index 00f8c192bd840..d8c323cde6315 100644
--- a/gcc/testsuite/g++.dg/modules/iostream-1_a.H
+++ b/gcc/testsuite/g++.dg/modules/iostream-1_a.H
@@ -1,6 +1,7 @@ 
 // { dg-module-do run }
 // { dg-additional-options "-fmodule-header" }
 // { dg-module-cmi {} }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #ifndef MY_IOSTREAM_H
 #define MY_IOSTREAM_H
diff --git a/gcc/testsuite/g++.dg/modules/p1689-2.C b/gcc/testsuite/g++.dg/modules/p1689-2.C
index 5d7fe52a809ba..8c7afe4050e52 100644
--- a/gcc/testsuite/g++.dg/modules/p1689-2.C
+++ b/gcc/testsuite/g++.dg/modules/p1689-2.C
@@ -5,6 +5,7 @@ 
 // { dg-additional-options -fdeps-format=p1689r5 }
 // { dg-additional-options -fdeps-target=p1689-2.o }
 // { dg-additional-options -fdeps-file=p1689-2.ddi }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 // Export a module partition that uses modules.
 
diff --git a/gcc/testsuite/g++.dg/modules/part-5_c.C b/gcc/testsuite/g++.dg/modules/part-5_c.C
index 0f148c3fce34c..cdcea49e020e6 100644
--- a/gcc/testsuite/g++.dg/modules/part-5_c.C
+++ b/gcc/testsuite/g++.dg/modules/part-5_c.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodules-ts }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 import module1;
diff --git a/gcc/testsuite/g++.dg/modules/pr99023_a.X b/gcc/testsuite/g++.dg/modules/pr99023_a.X
index 507e956953565..6ae2cf4b2a3ea 100644
--- a/gcc/testsuite/g++.dg/modules/pr99023_a.X
+++ b/gcc/testsuite/g++.dg/modules/pr99023_a.X
@@ -1,6 +1,7 @@ 
 // PR c++/99023, ICE
 // { dg-require-effective-target c++20_only }
 // { dg-additional-options {-x c++-system-header initializer_list -fmodules-ts --param ggc-min-expand=0} }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 // { dg-prune-output {linker input file unused} }
 
diff --git a/gcc/testsuite/g++.dg/modules/pr99166_a.X b/gcc/testsuite/g++.dg/modules/pr99166_a.X
index 0649d053b306b..24527a011eb05 100644
--- a/gcc/testsuite/g++.dg/modules/pr99166_a.X
+++ b/gcc/testsuite/g++.dg/modules/pr99166_a.X
@@ -1,5 +1,6 @@ 
 // PR c++/99166, diagnostic
 // { dg-additional-options {-x c++-system-header iostream -fmodules-ts -flang-info-module-cmi} }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 // { dg-regexp {[^\n]*iostream: note: writing CMI 'gcm.cache/[^[\n]*iostream.gcm'\n} }
 // { dg-prune-output {linker input file unused} }
diff --git a/gcc/testsuite/g++.dg/modules/pr99166_b.C b/gcc/testsuite/g++.dg/modules/pr99166_b.C
index ac20116e641e9..25b90daf98767 100644
--- a/gcc/testsuite/g++.dg/modules/pr99166_b.C
+++ b/gcc/testsuite/g++.dg/modules/pr99166_b.C
@@ -1,4 +1,6 @@ 
 // { dg-additional-options {-fmodules-ts -flang-info-module-cmi=<iostream>} }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
+
 export module Foo;
 import <iostream>;
 
diff --git a/gcc/testsuite/g++.dg/modules/pr99425-2_a.X b/gcc/testsuite/g++.dg/modules/pr99425-2_a.X
index 9a44dc335671a..36f91637e763c 100644
--- a/gcc/testsuite/g++.dg/modules/pr99425-2_a.X
+++ b/gcc/testsuite/g++.dg/modules/pr99425-2_a.X
@@ -3,5 +3,6 @@ 
 
 // { dg-additional-options {-x c++-system-header stdexcept -fmodules-ts} }
 // { dg-prune-output {linker input file unused} }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 
 No! DO NOT COMPILE;
diff --git a/gcc/testsuite/g++.dg/modules/pr99425-2_b.X b/gcc/testsuite/g++.dg/modules/pr99425-2_b.X
index 5e453542cd17c..baf653a232a3e 100644
--- a/gcc/testsuite/g++.dg/modules/pr99425-2_b.X
+++ b/gcc/testsuite/g++.dg/modules/pr99425-2_b.X
@@ -1,4 +1,5 @@ 
 // { dg-additional-options {-x c++-system-header mutex -fmodules-ts} }
 // { dg-prune-output {linker input file unused} }
+// { dg-skip-if "requires hosted libstdc++ for mutex" { ! hostedlib } }
 
 No! DO NOT COMPILE;
diff --git a/gcc/testsuite/g++.dg/modules/string-1_a.H b/gcc/testsuite/g++.dg/modules/string-1_a.H
index 77c565f7ddf66..250dcbad0c392 100644
--- a/gcc/testsuite/g++.dg/modules/string-1_a.H
+++ b/gcc/testsuite/g++.dg/modules/string-1_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include <string>
diff --git a/gcc/testsuite/g++.dg/modules/string-1_b.C b/gcc/testsuite/g++.dg/modules/string-1_b.C
index 098289c54f18e..d066b11f9163a 100644
--- a/gcc/testsuite/g++.dg/modules/string-1_b.C
+++ b/gcc/testsuite/g++.dg/modules/string-1_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 import "string-1_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/string-view1.C b/gcc/testsuite/g++.dg/modules/string-view1.C
index f5391f3918050..19219a1e266d3 100644
--- a/gcc/testsuite/g++.dg/modules/string-view1.C
+++ b/gcc/testsuite/g++.dg/modules/string-view1.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 module;
 #include <cstdio>
 #include <string_view>
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-1_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header-1_a.H
index f30dacce0cc48..940c6da9576a7 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-1_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-1_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for cassert in xtreme-header-1.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header-1.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-1_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header-1_b.C
index e2730163ffc26..b64f5944b3c05 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-1_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-1_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for cassert in xtreme-header-1.h" { ! hostedlib } }
 
 #include "xtreme-header-1.h"
 import "xtreme-header-1_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-2_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header-2_a.H
index 217ead37d2542..a52fefdae0ab7 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-2_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-2_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for execution in xtreme-header-2.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header-2.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-2_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header-2_b.C
index 1f608ec29b79d..b7ff864ac132b 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-2_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-2_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for execution in xtreme-header-2.h" { ! hostedlib } }
 
 #include "xtreme-header-2.h"
 import "xtreme-header-2_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-3_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header-3_a.H
index d3ff6fd4b56c3..695fb279b4a05 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-3_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-3_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for deque in xtreme-header-3.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header-3.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-3_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header-3_b.C
index 2eb3145c944ff..5a912b8fba141 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-3_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-3_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for deque in xtreme-header-3.h" { ! hostedlib } }
 
 #include "xtreme-header-3.h"
 import "xtreme-header-3_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-4_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header-4_a.H
index 391adbe8ebfb1..eb1815c253b50 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-4_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-4_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for charconv in xtreme-header-4.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header-4.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-4_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header-4_b.C
index ff7147ebf640c..663b3bada3d06 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-4_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-4_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for charconv in xtreme-header-4.h" { ! hostedlib } }
 
 #include "xtreme-header-4.h"
 import "xtreme-header-4_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-5_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header-5_a.H
index a03c0241c9e64..371995493b22c 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-5_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-5_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for any in xtreme-header-5.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header-5.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-5_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header-5_b.C
index 8cf7d6856b937..e6fe2d98d7fd5 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-5_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-5_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for any in xtreme-header-5.h" { ! hostedlib } }
 
 #include "xtreme-header-5.h"
 import "xtreme-header-5_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-6_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header-6_a.H
index aec5a031fc695..e5b9f2ecf6c74 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-6_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-6_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for barrier in xtreme-header-6.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header-6.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-6_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header-6_b.C
index 0d2cc69df54af..f69c56184a74e 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-6_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-6_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for barrier in xtreme-header-6.h" { ! hostedlib } }
 
 #include "xtreme-header-6.h"
 import "xtreme-header-6_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-7_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header-7_a.H
index bf7859fba9912..9c42b7a38ced0 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-7_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-7_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for any in xtreme-header.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header-7_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header-7_b.C
index 3992a24501b9e..b7df2723b9d22 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header-7_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header-7_b.C
@@ -1,5 +1,6 @@ 
 // A version of xtreme-header_b.C that doesn't use -fno-module-lazy.
 // { dg-additional-options -fmodules-ts }
+// { dg-skip-if "requires hosted libstdc++ for any in xtreme-header.h" { ! hostedlib } }
 
 #include "xtreme-header.h"
 import "xtreme-header-7_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header_a.H b/gcc/testsuite/g++.dg/modules/xtreme-header_a.H
index bf7859fba9912..9c42b7a38ced0 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for any in xtreme-header.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-header.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-header_b.C b/gcc/testsuite/g++.dg/modules/xtreme-header_b.C
index 2e736da36dcc1..2b0e91af52a30 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-header_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-header_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for any in xtreme-header.h" { ! hostedlib } }
 
 #include "xtreme-header.h"
 import "xtreme-header_a.H";
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-tr1_a.H b/gcc/testsuite/g++.dg/modules/xtreme-tr1_a.H
index bed70a683bb10..02a2a7e9a7978 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-tr1_a.H
+++ b/gcc/testsuite/g++.dg/modules/xtreme-tr1_a.H
@@ -1,4 +1,5 @@ 
 // { dg-additional-options -fmodule-header }
+// { dg-skip-if "requires hosted libstdc++ for tr1/functional in xtreme-tr1.h" { ! hostedlib } }
 
 // { dg-module-cmi {} }
 #include "xtreme-tr1.h"
diff --git a/gcc/testsuite/g++.dg/modules/xtreme-tr1_b.C b/gcc/testsuite/g++.dg/modules/xtreme-tr1_b.C
index 9bb1dc294adf5..f0c5990219387 100644
--- a/gcc/testsuite/g++.dg/modules/xtreme-tr1_b.C
+++ b/gcc/testsuite/g++.dg/modules/xtreme-tr1_b.C
@@ -1,4 +1,5 @@ 
 // { dg-additional-options "-fmodules-ts -fno-module-lazy" }
+// { dg-skip-if "requires hosted libstdc++ for tr1/functional in xtreme-tr1.h" { ! hostedlib } }
 
 #include "xtreme-tr1.h"
 import "xtreme-tr1_a.H";
diff --git a/gcc/testsuite/g++.dg/opt/builtins2.C b/gcc/testsuite/g++.dg/opt/builtins2.C
index 658c128d62dee..b273f1f63b6e0 100644
--- a/gcc/testsuite/g++.dg/opt/builtins2.C
+++ b/gcc/testsuite/g++.dg/opt/builtins2.C
@@ -2,6 +2,7 @@ 
 // We should handle asinh as a built-in in C++0x mode, even when strict.
 // { dg-do compile { target c++11 } }
 // { dg-final { scan-assembler-not "asinh" } }
+// { dg-skip-if "requires hosted libstdc++ for math" { ! hostedlib } }
 
 #include <math.h>
 
diff --git a/gcc/testsuite/g++.dg/opt/dtor4-aux.cc b/gcc/testsuite/g++.dg/opt/dtor4-aux.cc
index e3ca43b74306d..057ba0fa91a1a 100644
--- a/gcc/testsuite/g++.dg/opt/dtor4-aux.cc
+++ b/gcc/testsuite/g++.dg/opt/dtor4-aux.cc
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "" }
+// { dg-skip-if "requires hosted libstdc++ for cassert in dtor4.h" { ! hostedlib } }
 
 #include "dtor4.h"
 
diff --git a/gcc/testsuite/g++.dg/opt/dtor4.C b/gcc/testsuite/g++.dg/opt/dtor4.C
index c58fadfa18d26..41f1a20824071 100644
--- a/gcc/testsuite/g++.dg/opt/dtor4.C
+++ b/gcc/testsuite/g++.dg/opt/dtor4.C
@@ -2,6 +2,7 @@ 
 // { dg-do run }
 // { dg-options "-O1 -fipa-sra" }
 // { dg-additional-sources "dtor4-aux.cc" }
+// { dg-skip-if "requires hosted libstdc++ for cassert in dtor4.h" { ! hostedlib } }
 
 #include "dtor4.h"
 
diff --git a/gcc/testsuite/g++.dg/opt/eh4.C b/gcc/testsuite/g++.dg/opt/eh4.C
index 0a62ee2db2722..be30fcc1ffd3f 100644
--- a/gcc/testsuite/g++.dg/opt/eh4.C
+++ b/gcc/testsuite/g++.dg/opt/eh4.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options "-O3" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 // Make sure that the call to terminate within F2 is not eliminated
 // by incorrect MUST_NOT_THROW optimization.  Note that we expect F1
diff --git a/gcc/testsuite/g++.dg/opt/nrv17.C b/gcc/testsuite/g++.dg/opt/nrv17.C
index 6248bca037af4..27004e06a68a7 100644
--- a/gcc/testsuite/g++.dg/opt/nrv17.C
+++ b/gcc/testsuite/g++.dg/opt/nrv17.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 #include <cstdlib>
 #include <complex>
diff --git a/gcc/testsuite/g++.dg/opt/pr102970.C b/gcc/testsuite/g++.dg/opt/pr102970.C
index 2acb3c2c8dcbd..84f6fffcad041 100644
--- a/gcc/testsuite/g++.dg/opt/pr102970.C
+++ b/gcc/testsuite/g++.dg/opt/pr102970.C
@@ -1,6 +1,7 @@ 
 // { dg-do run }
 // { dg-require-effective-target c++14 }
 // { dg-options "-O2 -funroll-loops -fno-tree-vectorize" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 #include <algorithm>
diff --git a/gcc/testsuite/g++.dg/opt/pr103989.C b/gcc/testsuite/g++.dg/opt/pr103989.C
index 4604811b42a1b..dfb14546e3525 100644
--- a/gcc/testsuite/g++.dg/opt/pr103989.C
+++ b/gcc/testsuite/g++.dg/opt/pr103989.C
@@ -1,5 +1,6 @@ 
 // { dg-require-effective-target c++17 }
 // { dg-options "-Og -Wall" }
+// { dg-skip-if "requires hosted libstdc++ for memory shared_ptr" { ! hostedlib } }
 
 #include <optional>
 #include <memory>
diff --git a/gcc/testsuite/g++.dg/opt/pr109434.C b/gcc/testsuite/g++.dg/opt/pr109434.C
index cffa327fd9b54..9486d1506ddb6 100644
--- a/gcc/testsuite/g++.dg/opt/pr109434.C
+++ b/gcc/testsuite/g++.dg/opt/pr109434.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++17 }
 // { dg-options "-O2 -Wall" }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 
 #include <optional>
 #include <stdexcept>
diff --git a/gcc/testsuite/g++.dg/opt/pr110879.C b/gcc/testsuite/g++.dg/opt/pr110879.C
index 57556605a511e..3445850ccbf79 100644
--- a/gcc/testsuite/g++.dg/opt/pr110879.C
+++ b/gcc/testsuite/g++.dg/opt/pr110879.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++11 } }
 // { dg-options "-O3 -fdump-tree-optimized" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/opt/pr15551.C b/gcc/testsuite/g++.dg/opt/pr15551.C
index dc3ddc44662cd..ccaa233ea1ed1 100644
--- a/gcc/testsuite/g++.dg/opt/pr15551.C
+++ b/gcc/testsuite/g++.dg/opt/pr15551.C
@@ -4,6 +4,7 @@ 
 //
 // { dg-do run }
 // { dg-options "-O3" }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstring>
 #include <fstream>
diff --git a/gcc/testsuite/g++.dg/opt/pr30965.C b/gcc/testsuite/g++.dg/opt/pr30965.C
index 4adca8b2f6228..e4b7cf0b5c135 100644
--- a/gcc/testsuite/g++.dg/opt/pr30965.C
+++ b/gcc/testsuite/g++.dg/opt/pr30965.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O3 -fno-ipa-icf -fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for tr1/functional" { ! hostedlib } } */
 
 #include <tr1/functional>
 #include <algorithm>
diff --git a/gcc/testsuite/g++.dg/opt/pr65074.C b/gcc/testsuite/g++.dg/opt/pr65074.C
index 01c5926e6626c..0124c51823924 100644
--- a/gcc/testsuite/g++.dg/opt/pr65074.C
+++ b/gcc/testsuite/g++.dg/opt/pr65074.C
@@ -1,6 +1,7 @@ 
 // PR middle-end/65074
 // { dg-do link { target pie } }
 // { dg-options "-pie -fpie -O2" }
+// { dg-skip-if "requires hosted libstdc++ for fstream" { ! hostedlib } }
 
 #include <fstream>
 
diff --git a/gcc/testsuite/g++.dg/opt/pr66119.C b/gcc/testsuite/g++.dg/opt/pr66119.C
index c129633894ff1..d1b1845a25867 100644
--- a/gcc/testsuite/g++.dg/opt/pr66119.C
+++ b/gcc/testsuite/g++.dg/opt/pr66119.C
@@ -4,6 +4,7 @@ 
 
 /* { dg-do compile  { target { { i?86-*-* x86_64-*-* } && c++11 } }  }  */
 /* { dg-options "-O3 -mavx -fdump-tree-sra -march=slm -mtune=slm -fno-early-inlining" } */
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <immintrin.h>
 
diff --git a/gcc/testsuite/g++.dg/opt/pr77844.C b/gcc/testsuite/g++.dg/opt/pr77844.C
index 66eb978ddb75a..3a8252adb9cdb 100644
--- a/gcc/testsuite/g++.dg/opt/pr77844.C
+++ b/gcc/testsuite/g++.dg/opt/pr77844.C
@@ -1,6 +1,7 @@ 
 // PR debug/77844
 // { dg-do compile }
 // { dg-options "-O3 -g" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/opt/pr80385.C b/gcc/testsuite/g++.dg/opt/pr80385.C
index f18abc941f3f1..de3ae17f07d1d 100644
--- a/gcc/testsuite/g++.dg/opt/pr80385.C
+++ b/gcc/testsuite/g++.dg/opt/pr80385.C
@@ -1,6 +1,7 @@ 
 // PR rtl-optimization/80385
 // { dg-do compile { target { i?86-*-* x86_64-*-* } } }
 // { dg-options "-Ofast -msse2" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.dg/opt/pr85393.C b/gcc/testsuite/g++.dg/opt/pr85393.C
index a2a3162300eaf..4f3c65bdd5c28 100644
--- a/gcc/testsuite/g++.dg/opt/pr85393.C
+++ b/gcc/testsuite/g++.dg/opt/pr85393.C
@@ -2,6 +2,7 @@ 
 // { dg-do run { target c++11 } }
 // { dg-options "-O2" }
 // { dg-additional-sources "pr85393-aux.cc" }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 
 #include <stdexcept>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/opt/pr94223.C b/gcc/testsuite/g++.dg/opt/pr94223.C
index 0de012de50405..f06f1059b3db6 100644
--- a/gcc/testsuite/g++.dg/opt/pr94223.C
+++ b/gcc/testsuite/g++.dg/opt/pr94223.C
@@ -1,5 +1,6 @@ 
 // PR c++/94223
 // { dg-do compile }
 // { dg-options "-O0 -std=c++2a -fcompare-debug" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include "../cpp1z/init-statement6.C"
diff --git a/gcc/testsuite/g++.dg/opt/reload3.C b/gcc/testsuite/g++.dg/opt/reload3.C
index daa7ffdbcefb4..385771154a864 100644
--- a/gcc/testsuite/g++.dg/opt/reload3.C
+++ b/gcc/testsuite/g++.dg/opt/reload3.C
@@ -1,6 +1,7 @@ 
 // PR target/38287
 // { dg-do run }
 // { dg-options "-O2 -mcpu=v8 -fPIC" { target { { sparc*-*-* } && { ilp32 && fpic } } } }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include <cstdlib>
 
diff --git a/gcc/testsuite/g++.dg/other/final7.C b/gcc/testsuite/g++.dg/other/final7.C
index 43ab7baae97e7..5c499a667fd1c 100644
--- a/gcc/testsuite/g++.dg/other/final7.C
+++ b/gcc/testsuite/g++.dg/other/final7.C
@@ -1,5 +1,6 @@ 
 // PR c++/90909
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 
diff --git a/gcc/testsuite/g++.dg/other/i386-1.C b/gcc/testsuite/g++.dg/other/i386-1.C
index ec572ec948d69..108af19e4c832 100644
--- a/gcc/testsuite/g++.dg/other/i386-1.C
+++ b/gcc/testsuite/g++.dg/other/i386-1.C
@@ -1,6 +1,7 @@ 
 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-msse2" } */
 /* { dg-require-effective-target sse2_runtime } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <xmmintrin.h>
 
diff --git a/gcc/testsuite/g++.dg/other/i386-11.C b/gcc/testsuite/g++.dg/other/i386-11.C
index 8e06617fca55e..f28cfcfa14b02 100644
--- a/gcc/testsuite/g++.dg/other/i386-11.C
+++ b/gcc/testsuite/g++.dg/other/i386-11.C
@@ -2,6 +2,7 @@ 
 // { dg-do compile { target i?86-*-* x86_64-*-* } }
 // { dg-require-effective-target c++11 }
 // { dg-options "-O2 -msse2" }
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <xmmintrin.h>
 #include <emmintrin.h>
diff --git a/gcc/testsuite/g++.dg/other/i386-2.C b/gcc/testsuite/g++.dg/other/i386-2.C
index 5a4005c063c4f..d0492dc5d6888 100644
--- a/gcc/testsuite/g++.dg/other/i386-2.C
+++ b/gcc/testsuite/g++.dg/other/i386-2.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-O -pedantic-errors -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mrdseed -mprfchw -madx -mfxsr -mxsaveopt -msha -mxsavec -mxsaves -mclflushopt -mclwb -mmwaitx -mclzero -mpku -msgx -mrdpid -mgfni -mpconfig -mwbnoinvd -menqcmd -mavx512vp2intersect -mserialize -mtsxldtrk -mamx-tile -mamx-int8 -mamx-bf16 -mkl -mwidekl -mavxvnni -mavxifma -mavxvnniint8 -mavxneconvert -mcmpccxadd -mamx-fp16 -mprefetchi -mraoint -mamx-complex -mavxvnniint16 -msm3 -msha512 -msm4 -mavx10.2-512" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 /* Test that {,x,e,p,t,s,w,a,b,i}mmintrin.h, mm3dnow.h, fma4intrin.h,
    xopintrin.h, abmintrin.h, bmiintrin.h, tbmintrin.h, lwpintrin.h,
diff --git a/gcc/testsuite/g++.dg/other/i386-3.C b/gcc/testsuite/g++.dg/other/i386-3.C
index 51977ae6159bf..3bfc83915fc6f 100644
--- a/gcc/testsuite/g++.dg/other/i386-3.C
+++ b/gcc/testsuite/g++.dg/other/i386-3.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-O -fkeep-inline-functions -march=k8 -msse4a -m3dnow -mavx -mavx2 -mfma4 -mxop -maes -mpclmul -mpopcnt -mabm -mlzcnt -mbmi -mbmi2 -mtbm -mlwp -mfsgsbase -mrdrnd -mf16c -mfma -mrtm -mrdseed -mprfchw -madx -mfxsr -mxsaveopt -msha -mxsavec -mxsaves -mclflushopt -mclwb -mmwaitx -mclzero -mpku -msgx -mrdpid -mgfni -mpconfig -mwbnoinvd -menqcmd -mavx512vp2intersect -mserialize -mtsxldtrk -mamx-tile -mamx-int8 -mamx-bf16 -mkl -mwidekl -mavxvnni -mavxifma -mavxvnniint8 -mavxneconvert -mcmpccxadd -mamx-fp16 -mprefetchi -mraoint -mamx-complex -mavxvnniint16 -msm3 -msha512 -msm4 -mavx10.2-512" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 /* Test that {,x,e,p,t,s,w,a,b,i}mmintrin.h, mm3dnow.h, fma4intrin.h,
    xopintrin.h, abmintrin.h, bmiintrin.h, tbmintrin.h, lwpintrin.h,
diff --git a/gcc/testsuite/g++.dg/other/i386-4.C b/gcc/testsuite/g++.dg/other/i386-4.C
index 3e0d94e952cd4..3cd6f4cb05310 100644
--- a/gcc/testsuite/g++.dg/other/i386-4.C
+++ b/gcc/testsuite/g++.dg/other/i386-4.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-O1 -msse2" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <xmmintrin.h>
 
diff --git a/gcc/testsuite/g++.dg/other/i386-7.C b/gcc/testsuite/g++.dg/other/i386-7.C
index e2ad51e528dde..704c5b7e24f14 100644
--- a/gcc/testsuite/g++.dg/other/i386-7.C
+++ b/gcc/testsuite/g++.dg/other/i386-7.C
@@ -2,6 +2,7 @@ 
 /* We were using SSE4.2 builtins without the extension available.  */
 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-O -pedantic-errors" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.dg/other/i386-8.C b/gcc/testsuite/g++.dg/other/i386-8.C
index a9465ef12bc31..6bb229f19281c 100644
--- a/gcc/testsuite/g++.dg/other/i386-8.C
+++ b/gcc/testsuite/g++.dg/other/i386-8.C
@@ -2,6 +2,7 @@ 
 // { dg-do compile { target i?86-*-* x86_64-*-* } }
 // { dg-options "-O2 -msse2" }
 // { dg-options "-O2 -msse2 -fpic" { target fpic } }
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <xmmintrin.h>
 
diff --git a/gcc/testsuite/g++.dg/other/mmintrin.C b/gcc/testsuite/g++.dg/other/mmintrin.C
index 417a1acc6de13..3daf378916eaa 100644
--- a/gcc/testsuite/g++.dg/other/mmintrin.C
+++ b/gcc/testsuite/g++.dg/other/mmintrin.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile { target i?86-*-* x86_64-*-* } }
 // { dg-options "-msse" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <xmmintrin.h>
diff --git a/gcc/testsuite/g++.dg/other/pr34435.C b/gcc/testsuite/g++.dg/other/pr34435.C
index 5352a40eb6912..8b7efd4fbfefc 100644
--- a/gcc/testsuite/g++.dg/other/pr34435.C
+++ b/gcc/testsuite/g++.dg/other/pr34435.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-msse2 -Wno-abi" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <emmintrin.h>
 
diff --git a/gcc/testsuite/g++.dg/other/pr40446.C b/gcc/testsuite/g++.dg/other/pr40446.C
index 72cd1960649e1..3d3a6b8b9659d 100644
--- a/gcc/testsuite/g++.dg/other/pr40446.C
+++ b/gcc/testsuite/g++.dg/other/pr40446.C
@@ -2,6 +2,7 @@ 
 // { dg-do run { target i?86-*-* x86_64-*-* } }
 // { dg-options "-O1 -msse2" }
 // { dg-require-effective-target sse2_runtime }
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <emmintrin.h>
 
diff --git a/gcc/testsuite/g++.dg/other/pr40561.C b/gcc/testsuite/g++.dg/other/pr40561.C
index c94dfa4bd6252..09cb2b38fbf1b 100644
--- a/gcc/testsuite/g++.dg/other/pr40561.C
+++ b/gcc/testsuite/g++.dg/other/pr40561.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for set" { ! hostedlib } }
 
 #include <set>
 
diff --git a/gcc/testsuite/g++.dg/other/pr49133.C b/gcc/testsuite/g++.dg/other/pr49133.C
index a59687f9c742a..bd30cc749b983 100644
--- a/gcc/testsuite/g++.dg/other/pr49133.C
+++ b/gcc/testsuite/g++.dg/other/pr49133.C
@@ -1,6 +1,7 @@ 
 /* { dg-do run { target i?86-*-* x86_64-*-* } } */
 /* { dg-options "-O2 -msse2" } */
 /* { dg-require-effective-target sse2_runtime } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <xmmintrin.h>
 
diff --git a/gcc/testsuite/g++.dg/other/ucnid-1-utf8.C b/gcc/testsuite/g++.dg/other/ucnid-1-utf8.C
index dab415235951f..c49e8c44480b0 100644
--- a/gcc/testsuite/g++.dg/other/ucnid-1-utf8.C
+++ b/gcc/testsuite/g++.dg/other/ucnid-1-utf8.C
@@ -2,6 +2,7 @@ 
 /* { dg-options "" } */
 /* { dg-xfail-if "" { powerpc-ibm-aix* } } */
 /* { dg-skip-if "" { ! ucn } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } } */
 #include <cstdlib>
 
 int À(void) { return 1; }
diff --git a/gcc/testsuite/g++.dg/other/ucnid-1.C b/gcc/testsuite/g++.dg/other/ucnid-1.C
index 954f34dff9613..f9dd9fb97a891 100644
--- a/gcc/testsuite/g++.dg/other/ucnid-1.C
+++ b/gcc/testsuite/g++.dg/other/ucnid-1.C
@@ -2,6 +2,7 @@ 
 /* { dg-options "" } */
 /* { dg-xfail-if "" { powerpc-ibm-aix* } } */
 /* { dg-skip-if "" { ! ucn } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } } */
 #include <cstdlib>
 
 int \u00C0(void) { return 1; }
diff --git a/gcc/testsuite/g++.dg/parse/lookup1.C b/gcc/testsuite/g++.dg/parse/lookup1.C
index 0325d3c692658..fa0e2007f32cd 100644
--- a/gcc/testsuite/g++.dg/parse/lookup1.C
+++ b/gcc/testsuite/g++.dg/parse/lookup1.C
@@ -1,3 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } }
 #include <list>
 
 using namespace std;
diff --git a/gcc/testsuite/g++.dg/parse/parse5.C b/gcc/testsuite/g++.dg/parse/parse5.C
index f9e6a03598470..7ea28b5b09d8b 100644
--- a/gcc/testsuite/g++.dg/parse/parse5.C
+++ b/gcc/testsuite/g++.dg/parse/parse5.C
@@ -1,5 +1,6 @@ 
 /* PR c++/590 */
 /* { dg-do compile } */
+/* { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } } */
 
 #include <iostream>
 #include <sstream>
diff --git a/gcc/testsuite/g++.dg/pch/system-1.C b/gcc/testsuite/g++.dg/pch/system-1.C
index 72bea3c9a6f1c..769c5d1171633 100644
--- a/gcc/testsuite/g++.dg/pch/system-1.C
+++ b/gcc/testsuite/g++.dg/pch/system-1.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for iostream in system-1.H" { ! hostedlib } }
+
 #include "system-1.H"
 
 int main() 
diff --git a/gcc/testsuite/g++.dg/pch/system-1.Hs b/gcc/testsuite/g++.dg/pch/system-1.Hs
index 604782e4dc7e8..d08c6c05c998d 100644
--- a/gcc/testsuite/g++.dg/pch/system-1.Hs
+++ b/gcc/testsuite/g++.dg/pch/system-1.Hs
@@ -1 +1,3 @@ 
+// { dg-skip-if "requires hosted libstdc++ for iostream in system-1.H" { ! hostedlib } }
+
 #include <iostream>
diff --git a/gcc/testsuite/g++.dg/pch/system-2.C b/gcc/testsuite/g++.dg/pch/system-2.C
index 44f3ec018aeae..91693cfdbaccc 100644
--- a/gcc/testsuite/g++.dg/pch/system-2.C
+++ b/gcc/testsuite/g++.dg/pch/system-2.C
@@ -1,3 +1,5 @@ 
+// { dg-skip-if "requires hosted libstdc++ for iostream in system-2.H" { ! hostedlib } }
+
 #include "system-2.H"
 
 int main() 
diff --git a/gcc/testsuite/g++.dg/pch/system-2.Hs b/gcc/testsuite/g++.dg/pch/system-2.Hs
index 13c79d104efc3..0570721140009 100644
--- a/gcc/testsuite/g++.dg/pch/system-2.Hs
+++ b/gcc/testsuite/g++.dg/pch/system-2.Hs
@@ -1,2 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for iostream in system-1.H" { ! hostedlib } }
+
 #include <iostream>
 #include <string>
diff --git a/gcc/testsuite/g++.dg/pr100253.C b/gcc/testsuite/g++.dg/pr100253.C
index 0102caa7df863..031b4fa58db75 100644
--- a/gcc/testsuite/g++.dg/pr100253.C
+++ b/gcc/testsuite/g++.dg/pr100253.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run } */
 /* { dg-options "-O2 -fno-tree-bit-ccp -ftree-slp-vectorize" } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/pr104547.C b/gcc/testsuite/g++.dg/pr104547.C
index b6135ffe3a04c..669f0b8e43c09 100644
--- a/gcc/testsuite/g++.dg/pr104547.C
+++ b/gcc/testsuite/g++.dg/pr104547.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-O3 -fdump-tree-vrp2"  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/pr107087.C b/gcc/testsuite/g++.dg/pr107087.C
index 3ca76b4153cd1..93428a71ae61b 100644
--- a/gcc/testsuite/g++.dg/pr107087.C
+++ b/gcc/testsuite/g++.dg/pr107087.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++11 }
 // { dg-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/pr71488.C b/gcc/testsuite/g++.dg/pr71488.C
index ffe30f1afeb1a..2ca1a7004465c 100644
--- a/gcc/testsuite/g++.dg/pr71488.C
+++ b/gcc/testsuite/g++.dg/pr71488.C
@@ -3,6 +3,7 @@ 
 // { dg-options "-O3 -std=c++11" }
 // { dg-additional-options "-msse4" { target sse4_runtime } }
 // { dg-require-effective-target c++11 }
+// { dg-skip-if "requires hosted libstdc++ for valarray" { ! hostedlib } }
 
 #include <valarray>
 
diff --git a/gcc/testsuite/g++.dg/pr71655.C b/gcc/testsuite/g++.dg/pr71655.C
index 45943060bc53c..0269297ed57ef 100644
--- a/gcc/testsuite/g++.dg/pr71655.C
+++ b/gcc/testsuite/g++.dg/pr71655.C
@@ -2,6 +2,7 @@ 
 // { dg-do compile }
 // { dg-options "-O3 -std=c++11" }
 // { dg-additional-options "-msse4" { target i?86-*-* x86_64-*-* } }
+// { dg-skip-if "requires hosted libstdc++ for valarray" { ! hostedlib } }
 
 #include <functional>
 #include <valarray>
diff --git a/gcc/testsuite/g++.dg/pr79095-3.C b/gcc/testsuite/g++.dg/pr79095-3.C
index 28c8a3768e61d..4a1937eace624 100644
--- a/gcc/testsuite/g++.dg/pr79095-3.C
+++ b/gcc/testsuite/g++.dg/pr79095-3.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-Wall -O3" } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/pr80481.C b/gcc/testsuite/g++.dg/pr80481.C
index c2931100906f1..07dcdf09e004c 100644
--- a/gcc/testsuite/g++.dg/pr80481.C
+++ b/gcc/testsuite/g++.dg/pr80481.C
@@ -4,6 +4,7 @@ 
 // { dg-options "-Ofast -funroll-loops -fopenmp -march=skylake-avx512" }
 // Disabling epilogues until we find a better way to deal with scans.
 // { dg-additional-options "--param vect-epilogues-nomask=0" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 
 #include <math.h>
diff --git a/gcc/testsuite/g++.dg/pr83239.C b/gcc/testsuite/g++.dg/pr83239.C
index bf6be7a03cce8..92af1b957c119 100644
--- a/gcc/testsuite/g++.dg/pr83239.C
+++ b/gcc/testsuite/g++.dg/pr83239.C
@@ -2,6 +2,7 @@ 
 // on simple std::vector code
 // { dg-do compile }
 // { dg-options "-O3 -finline-limit=500 -Wall -fdump-tree-optimized"  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/pr99966.C b/gcc/testsuite/g++.dg/pr99966.C
index d111c0acf1173..50f642559641d 100644
--- a/gcc/testsuite/g++.dg/pr99966.C
+++ b/gcc/testsuite/g++.dg/pr99966.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++17 }
 // { dg-options "-O2 -fdump-tree-vrp1" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 // Test we can remove a range bound after the assert.
 
diff --git a/gcc/testsuite/g++.dg/rtti/typeid4.C b/gcc/testsuite/g++.dg/rtti/typeid4.C
index e6a1dce16f0e9..fc84dab697a6d 100644
--- a/gcc/testsuite/g++.dg/rtti/typeid4.C
+++ b/gcc/testsuite/g++.dg/rtti/typeid4.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <typeinfo>
 #include <iostream>
diff --git a/gcc/testsuite/g++.dg/spellcheck-inttypes.C b/gcc/testsuite/g++.dg/spellcheck-inttypes.C
index 541d668cbba42..8c9189447ea17 100644
--- a/gcc/testsuite/g++.dg/spellcheck-inttypes.C
+++ b/gcc/testsuite/g++.dg/spellcheck-inttypes.C
@@ -1,4 +1,5 @@ 
 /* { dg-options "-std=c++11" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } } */
 #ifdef _AIX
 #define _STD_TYPES_T
 #endif
diff --git a/gcc/testsuite/g++.dg/template/friend10.C b/gcc/testsuite/g++.dg/template/friend10.C
index cab5e346f0bf3..49e753184701e 100644
--- a/gcc/testsuite/g++.dg/template/friend10.C
+++ b/gcc/testsuite/g++.dg/template/friend10.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 // Copyright (C) 2002 Free Software Foundation, Inc.
 // Contributed by Nathan Sidwell 24 Dec 2002 <nathan@codesourcery.com>
diff --git a/gcc/testsuite/g++.dg/template/pr69961a.C b/gcc/testsuite/g++.dg/template/pr69961a.C
index b0c5d41b27c34..1cd69b90130cb 100644
--- a/gcc/testsuite/g++.dg/template/pr69961a.C
+++ b/gcc/testsuite/g++.dg/template/pr69961a.C
@@ -1,5 +1,6 @@ 
 // PR c++/69961
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/template/show-template-tree-3.C b/gcc/testsuite/g++.dg/template/show-template-tree-3.C
index ef3113711aee5..1b39dfca12f22 100644
--- a/gcc/testsuite/g++.dg/template/show-template-tree-3.C
+++ b/gcc/testsuite/g++.dg/template/show-template-tree-3.C
@@ -9,6 +9,7 @@ 
    for that in this case).  */
 
 // { dg-options "-fdiagnostics-show-template-tree -Wno-return-type" }
+// { dg-skip-if "requires hosted libstdc++ for map" { ! hostedlib } }
 
 #include <map>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/tm/inherit2.C b/gcc/testsuite/g++.dg/tm/inherit2.C
index 366f9b30e9092..adaf8a9a932c4 100644
--- a/gcc/testsuite/g++.dg/tm/inherit2.C
+++ b/gcc/testsuite/g++.dg/tm/inherit2.C
@@ -1,5 +1,6 @@ 
 // Testcase from TM TS
 // { dg-options "-std=c++14 -fgnu-tm" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.dg/tm/pr46270.C b/gcc/testsuite/g++.dg/tm/pr46270.C
index 291e620a38792..64ebb6bc5e651 100644
--- a/gcc/testsuite/g++.dg/tm/pr46270.C
+++ b/gcc/testsuite/g++.dg/tm/pr46270.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-fgnu-tm" }
+// { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } }
 
 #include <list>
 class Game
diff --git a/gcc/testsuite/g++.dg/torture/alias-1.C b/gcc/testsuite/g++.dg/torture/alias-1.C
index 2abe543851092..01eb86ca2a4c9 100644
--- a/gcc/testsuite/g++.dg/torture/alias-1.C
+++ b/gcc/testsuite/g++.dg/torture/alias-1.C
@@ -3,6 +3,7 @@ 
 // from inlined destructor, the buf1 variable doesn't go out of scope
 // until after the baz call.
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <new>
 #include <cstring>
diff --git a/gcc/testsuite/g++.dg/torture/builtin-location.C b/gcc/testsuite/g++.dg/torture/builtin-location.C
index cad53de4b485c..6dd94b25deeb1 100644
--- a/gcc/testsuite/g++.dg/torture/builtin-location.C
+++ b/gcc/testsuite/g++.dg/torture/builtin-location.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstring>
 
diff --git a/gcc/testsuite/g++.dg/torture/pr10148.C b/gcc/testsuite/g++.dg/torture/pr10148.C
index ed278f9f8d859..b5483f3ca315e 100644
--- a/gcc/testsuite/g++.dg/torture/pr10148.C
+++ b/gcc/testsuite/g++.dg/torture/pr10148.C
@@ -1,4 +1,5 @@ 
 /* { dg-do run } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include <stdlib.h>
 #include <assert.h>
diff --git a/gcc/testsuite/g++.dg/torture/pr103669.C b/gcc/testsuite/g++.dg/torture/pr103669.C
index a9509c354f18f..fa96e309fecd9 100644
--- a/gcc/testsuite/g++.dg/torture/pr103669.C
+++ b/gcc/testsuite/g++.dg/torture/pr103669.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 /* { dg-additional-options "--param=modref-max-depth=1" } */
+/* { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } } */
 #include <list>
 
 typedef std::list<void *> PtrList;
diff --git a/gcc/testsuite/g++.dg/torture/pr104601.C b/gcc/testsuite/g++.dg/torture/pr104601.C
index c8d4661e86d48..eaa61bd77c0c4 100644
--- a/gcc/testsuite/g++.dg/torture/pr104601.C
+++ b/gcc/testsuite/g++.dg/torture/pr104601.C
@@ -1,6 +1,7 @@ 
 // PR tree-optimization/104601
 // { dg-do run }
 // { dg-options "-std=c++17 -Wno-unused-result" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <algorithm>
 #include <optional>
diff --git a/gcc/testsuite/g++.dg/torture/pr106922.C b/gcc/testsuite/g++.dg/torture/pr106922.C
index b0c1489fbdc43..102c2bd896ae8 100644
--- a/gcc/testsuite/g++.dg/torture/pr106922.C
+++ b/gcc/testsuite/g++.dg/torture/pr106922.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++17 }
 // { dg-additional-options "-Wall" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 // -O1 doesn't iterate VN and thus has bogus uninit diagnostics
 // { dg-skip-if "" { *-*-* } { "-O1" } { "" } }
 
diff --git a/gcc/testsuite/g++.dg/torture/pr111019.C b/gcc/testsuite/g++.dg/torture/pr111019.C
index ce21a311c96ef..4903dc308b765 100644
--- a/gcc/testsuite/g++.dg/torture/pr111019.C
+++ b/gcc/testsuite/g++.dg/torture/pr111019.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-additional-options "-fstrict-aliasing" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include <memory>
diff --git a/gcc/testsuite/g++.dg/torture/pr33572.C b/gcc/testsuite/g++.dg/torture/pr33572.C
index b4db2ac662ba2..7809c9733a387 100644
--- a/gcc/testsuite/g++.dg/torture/pr33572.C
+++ b/gcc/testsuite/g++.dg/torture/pr33572.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options "-std=c++98" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 #include <memory>
diff --git a/gcc/testsuite/g++.dg/torture/pr33735.C b/gcc/testsuite/g++.dg/torture/pr33735.C
index 0a90745b91e51..30522f99cc237 100644
--- a/gcc/testsuite/g++.dg/torture/pr33735.C
+++ b/gcc/testsuite/g++.dg/torture/pr33735.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 #include <string>
 typedef struct _ts { } PyThreadState;
 PyThreadState * Py_NewInterpreter(void);
diff --git a/gcc/testsuite/g++.dg/torture/pr34099.C b/gcc/testsuite/g++.dg/torture/pr34099.C
index 49fa9cac1ebc1..cbed17e546a08 100644
--- a/gcc/testsuite/g++.dg/torture/pr34099.C
+++ b/gcc/testsuite/g++.dg/torture/pr34099.C
@@ -1,4 +1,5 @@ 
 /* { dg-do run } */
+/* { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } } */
 
 #include <complex>
 
diff --git a/gcc/testsuite/g++.dg/torture/pr39417.C b/gcc/testsuite/g++.dg/torture/pr39417.C
index b7bbb88b78456..84d497a1c218c 100644
--- a/gcc/testsuite/g++.dg/torture/pr39417.C
+++ b/gcc/testsuite/g++.dg/torture/pr39417.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/torture/pr44972.C b/gcc/testsuite/g++.dg/torture/pr44972.C
index e409148da1c32..1ace4d9f6b264 100644
--- a/gcc/testsuite/g++.dg/torture/pr44972.C
+++ b/gcc/testsuite/g++.dg/torture/pr44972.C
@@ -1,4 +1,5 @@ 
 /* { dg-do compile } */
+/* { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } } */
 
 #include<cassert>
 #include<new>
diff --git a/gcc/testsuite/g++.dg/torture/pr46364.C b/gcc/testsuite/g++.dg/torture/pr46364.C
index 40fd2f0760f20..d822278df57a5 100644
--- a/gcc/testsuite/g++.dg/torture/pr46364.C
+++ b/gcc/testsuite/g++.dg/torture/pr46364.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 #include <string>
 
 void a()
diff --git a/gcc/testsuite/g++.dg/torture/pr49628.C b/gcc/testsuite/g++.dg/torture/pr49628.C
index 4bc6543a35e32..0f4e1e6c151df 100644
--- a/gcc/testsuite/g++.dg/torture/pr49628.C
+++ b/gcc/testsuite/g++.dg/torture/pr49628.C
@@ -1,4 +1,5 @@ 
 /* { dg-do compile } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/torture/pr49938.C b/gcc/testsuite/g++.dg/torture/pr49938.C
index d2c73e73871a3..fbb74e7b559a7 100644
--- a/gcc/testsuite/g++.dg/torture/pr49938.C
+++ b/gcc/testsuite/g++.dg/torture/pr49938.C
@@ -1,3 +1,4 @@ 
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 #include <cstdlib>
 typedef unsigned short uint16;
diff --git a/gcc/testsuite/g++.dg/torture/pr51903.C b/gcc/testsuite/g++.dg/torture/pr51903.C
index 925021b7e4ba7..36cc52e46fbc6 100644
--- a/gcc/testsuite/g++.dg/torture/pr51903.C
+++ b/gcc/testsuite/g++.dg/torture/pr51903.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-O2 -fnon-call-exceptions -fno-guess-branch-probability" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/torture/pr54498.C b/gcc/testsuite/g++.dg/torture/pr54498.C
index 74651f9063a89..5d1e275dfcb4a 100644
--- a/gcc/testsuite/g++.dg/torture/pr54498.C
+++ b/gcc/testsuite/g++.dg/torture/pr54498.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-additional-options "-fno-tree-sra" }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 
 #include <complex>
 
diff --git a/gcc/testsuite/g++.dg/torture/pr60750.C b/gcc/testsuite/g++.dg/torture/pr60750.C
index a344bd764a336..c53189a28fd65 100644
--- a/gcc/testsuite/g++.dg/torture/pr60750.C
+++ b/gcc/testsuite/g++.dg/torture/pr60750.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 // { dg-options "-std=c++11" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 #include <stdexcept>
diff --git a/gcc/testsuite/g++.dg/torture/pr67600.C b/gcc/testsuite/g++.dg/torture/pr67600.C
index 0206cae186c48..375654cd4e0f5 100644
--- a/gcc/testsuite/g++.dg/torture/pr67600.C
+++ b/gcc/testsuite/g++.dg/torture/pr67600.C
@@ -1,4 +1,5 @@ 
 // { dg-do run }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 #include <sstream>
diff --git a/gcc/testsuite/g++.dg/torture/pr82084.C b/gcc/testsuite/g++.dg/torture/pr82084.C
index 416684d2cb854..1fbb4f01cfe24 100644
--- a/gcc/testsuite/g++.dg/torture/pr82084.C
+++ b/gcc/testsuite/g++.dg/torture/pr82084.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 int main()
diff --git a/gcc/testsuite/g++.dg/torture/pr86763.C b/gcc/testsuite/g++.dg/torture/pr86763.C
index 8455ac9ce1294..0d0061c78bc23 100644
--- a/gcc/testsuite/g++.dg/torture/pr86763.C
+++ b/gcc/testsuite/g++.dg/torture/pr86763.C
@@ -1,6 +1,7 @@ 
 // { dg-do run { target { *-*-linux* } } }
 // { dg-additional-options "-fschedule-insns2 -fstrict-aliasing" }
 // { dg-additional-options "-lrt" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cstdint>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/torture/pr91334.C b/gcc/testsuite/g++.dg/torture/pr91334.C
index ba79d712b0793..187ab84e978b0 100644
--- a/gcc/testsuite/g++.dg/torture/pr91334.C
+++ b/gcc/testsuite/g++.dg/torture/pr91334.C
@@ -1,5 +1,6 @@ 
 /* PR c++/91334.  */
 /* { dg-do compile } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } } */
 
 #include <new>
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.dg/torture/pr91606.C b/gcc/testsuite/g++.dg/torture/pr91606.C
index 37a05a5e3a5fa..385c20c5da5b3 100644
--- a/gcc/testsuite/g++.dg/torture/pr91606.C
+++ b/gcc/testsuite/g++.dg/torture/pr91606.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run } */
 /* { dg-additional-options "-fstrict-aliasing" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib size_t" { ! hostedlib } } */
 
 #include <cstdlib>
 #include <array>
diff --git a/gcc/testsuite/g++.dg/torture/pr95493-1.C b/gcc/testsuite/g++.dg/torture/pr95493-1.C
index 907d191ebfeb9..57765dd8d8a64 100644
--- a/gcc/testsuite/g++.dg/torture/pr95493-1.C
+++ b/gcc/testsuite/g++.dg/torture/pr95493-1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // PR rtl-optimization/95493 comment 8
 
 #include <array>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/allocator-opt1.C b/gcc/testsuite/g++.dg/tree-ssa/allocator-opt1.C
index 51c470dee372f..37b228eff9b64 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/allocator-opt1.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/allocator-opt1.C
@@ -1,5 +1,6 @@ 
 // PR c++/105838
 // { dg-additional-options -fdump-tree-gimple }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 // Check that there's only one allocator (temporary) variable.
 // Currently the dump doesn't print the allocator template arg in this context.
diff --git a/gcc/testsuite/g++.dg/tree-ssa/copyprop.C b/gcc/testsuite/g++.dg/tree-ssa/copyprop.C
index bc9167ad1201f..f94c7c6201c53 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/copyprop.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/copyprop.C
@@ -3,6 +3,7 @@ 
 // { dg-do compile { target { lp64 } } }
 // { dg-options  "-Wno-error -fno-exceptions -fno-tree-vrp -O2 -fprofile-generate  -finline-limit=500 -std=c++98"  }
 // { dg-additional-options "-Wno-return-type" }
+// { dg-skip-if "requires hosted libstdc++ for map" { ! hostedlib } }
 
 #include <map>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C b/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C
index dca7868f3c96c..ed4a603bf5b33 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/empty-loop.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-cddce2 -ffinite-loops -Wno-unused-result" } */
+/* { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 #include <string>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt1.C b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt1.C
index b1d2d25faf4c0..89abdd90a82ae 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt1.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt1.C
@@ -1,6 +1,7 @@ 
 // PR c++/105838
 // { dg-additional-options -fdump-tree-gimple }
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 // Test that we do range-initialization from const char *.
 // { dg-final { scan-tree-dump {_M_range_initialize<const char\* const\*>} "gimple" } }
diff --git a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt2.C b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt2.C
index 1e9ac739b2d79..8080e9fbfbd62 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt2.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt2.C
@@ -1,6 +1,7 @@ 
 // PR c++/105838
 // { dg-additional-options -fdump-tree-gimple }
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 // Test that we do range-initialization from const char *.
 // { dg-final { scan-tree-dump {_M_range_initialize<const char\* const\*>} "gimple" } }
diff --git a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt3.C b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt3.C
index c750b99eeca3b..65ce086bfd5bb 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt3.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt3.C
@@ -1,5 +1,6 @@ 
 // PR c++/108266
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <initializer_list>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt5.C b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt5.C
index fc928bb540501..3126fe0ed8ae7 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/initlist-opt5.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/initlist-opt5.C
@@ -1,6 +1,7 @@ 
 // PR c++/105838
 // { dg-additional-options -fdump-tree-gimple }
 // { dg-do compile { target c++11 } }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 // Check that we call the basic_string constructor once (and define it once).
 // { dg-final { scan-tree-dump-times {>::basic_string} 2 "gimple" } }
diff --git a/gcc/testsuite/g++.dg/tree-ssa/loop-cond-split-1.C b/gcc/testsuite/g++.dg/tree-ssa/loop-cond-split-1.C
index 0d679cb9035a6..08329144e8f57 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/loop-cond-split-1.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/loop-cond-split-1.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O3 -fdump-tree-lsplit-details" } */
+/* { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 #include <string>
 #include <map>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/loop-split-1.C b/gcc/testsuite/g++.dg/tree-ssa/loop-split-1.C
index 9581438b5364c..898100653348b 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/loop-split-1.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/loop-split-1.C
@@ -1,5 +1,7 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O3 -fdump-tree-lsplit-details -std=c++11" } */
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
+
 #include <vector>
 #include <cmath>
 
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr101839.C b/gcc/testsuite/g++.dg/tree-ssa/pr101839.C
index bb7b61cad436d..3a81c8d636448 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr101839.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr101839.C
@@ -1,6 +1,7 @@ 
 // { dg-do run }                                                            
 // { dg-options "-O2 -fdump-tree-optimized" }                                   
 // { dg-require-effective-target c++11 }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <string.h>
 #include <iostream>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr102216-2.C b/gcc/testsuite/g++.dg/tree-ssa/pr102216-2.C
index 8d351a9bad08d..a49f180eb7bb8 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr102216-2.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr102216-2.C
@@ -1,4 +1,6 @@ 
 /* { dg-options "-O2 -Wall" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstddef NULL" { ! hostedlib } } */
+
 #include <algorithm>
 
 static inline bool
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr104529.C b/gcc/testsuite/g++.dg/tree-ssa/pr104529.C
index 3cb3853c22a17..f7dd30ca3117f 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr104529.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr104529.C
@@ -2,6 +2,7 @@ 
 // { dg-do compile { target c++11 } }
 // { dg-options "-O2 -fdump-tree-optimized" }
 // { dg-final { scan-tree-dump-not "MEM\[^\n\r]*MEM" "optimized" } }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <cstddef>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr109849.C b/gcc/testsuite/g++.dg/tree-ssa/pr109849.C
index d06dbb1048294..f5ce0a6a02b3c 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr109849.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr109849.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-sra -fdump-tree-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 typedef unsigned int uint32_t;
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr14703.C b/gcc/testsuite/g++.dg/tree-ssa/pr14703.C
index cf821a58aed7e..3e5484ec73dd9 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr14703.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr14703.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-optimized -fno-ipa-reference" } */
+/* { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } } */
 #include <iostream>
 
 namespace {
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr19786.C b/gcc/testsuite/g++.dg/tree-ssa/pr19786.C
index faaecdfd97174..5f0ca46856440 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr19786.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr19786.C
@@ -1,5 +1,6 @@ 
 // { dg-do run }
 /* { dg-options "-O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 // We used to get alias grouping wrong on this one, hoisting accesses
 // to the vector's end out of the loop.
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr20458.C b/gcc/testsuite/g++.dg/tree-ssa/pr20458.C
index d4e7d1a1a86fa..9fd817a8f057e 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr20458.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr20458.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run } */
 /* { dg-options "-O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for std::locale cdtor" { ! hostedlib } } */
 
 /* The tail call optimization would inapproriately tail call the 
    destructors due to not recognizing a call clobbered variable */
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr46228.C b/gcc/testsuite/g++.dg/tree-ssa/pr46228.C
index 1178eb7038e70..c4dab1aa7108e 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr46228.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr46228.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-fdump-tree-optimized -Os" }
+// { dg-skip-if "requires hosted libstdc++ for set" { ! hostedlib } }
 #include <set>
 #include <stdio.h>
 
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr63841.C b/gcc/testsuite/g++.dg/tree-ssa/pr63841.C
index 2a2c78f9fb25e..cd883f1b4f4ee 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr63841.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr63841.C
@@ -1,5 +1,6 @@ 
 /* { dg-do run } */
 /* { dg-options "-O2" } */
+/* { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr69336.C b/gcc/testsuite/g++.dg/tree-ssa/pr69336.C
index c946176bfdaed..39d58e0da7bbc 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr69336.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr69336.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-O3 -fdump-tree-optimized -std=c++14" }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 
 #include <array>
 #include <utility>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr78847.C b/gcc/testsuite/g++.dg/tree-ssa/pr78847.C
index e72e516d8d4b9..f8babd362a58d 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr78847.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr78847.C
@@ -1,6 +1,7 @@ 
 /* { dg-do compile } */
 /* { dg-require-effective-target c++14 } */
 /* { dg-options "-O3 -fdump-tree-ldist-optimized" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } } */
 
 #include <stddef.h>
 #include <cstring>
diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr95638.C b/gcc/testsuite/g++.dg/tree-ssa/pr95638.C
index d1bea6dffaa95..0dcc3fdd93296 100644
--- a/gcc/testsuite/g++.dg/tree-ssa/pr95638.C
+++ b/gcc/testsuite/g++.dg/tree-ssa/pr95638.C
@@ -1,6 +1,7 @@ 
 // PR tree-optimization/95638
 // { dg-do run }
 // { dg-options "-O2 -std=c++14" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <cassert>
 #include <cstdio>
diff --git a/gcc/testsuite/g++.dg/uninit-pr105937.C b/gcc/testsuite/g++.dg/uninit-pr105937.C
index 26b4f74c5e1e4..744817b1ba855 100644
--- a/gcc/testsuite/g++.dg/uninit-pr105937.C
+++ b/gcc/testsuite/g++.dg/uninit-pr105937.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++17 }
 // { dg-options "-O2 -Wall" }
+// { dg-skip-if "requires hosted libstdc++ for cwchar" { ! hostedlib } }
 
 #include <stdint.h>
 #include <optional>
diff --git a/gcc/testsuite/g++.dg/vect/pr102421.cc b/gcc/testsuite/g++.dg/vect/pr102421.cc
index ccab6955c677d..c8d3c741e732f 100644
--- a/gcc/testsuite/g++.dg/vect/pr102421.cc
+++ b/gcc/testsuite/g++.dg/vect/pr102421.cc
@@ -1,6 +1,7 @@ 
 /* { dg-do compile } */
 /* { dg-additional-options "-O3" } */
 /* { dg-additional-options "-march=armv8.2-a+sve" { target aarch64-*-* } } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/vect/pr105053.cc b/gcc/testsuite/g++.dg/vect/pr105053.cc
index 6deef8458fc85..142cd0c1ced52 100644
--- a/gcc/testsuite/g++.dg/vect/pr105053.cc
+++ b/gcc/testsuite/g++.dg/vect/pr105053.cc
@@ -1,5 +1,6 @@ 
 // { dg-require-effective-target c++11 }
 // { dg-require-effective-target int32plus }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 #include <tuple>
diff --git a/gcc/testsuite/g++.dg/vect/pr33426-ivdep-4.cc b/gcc/testsuite/g++.dg/vect/pr33426-ivdep-4.cc
index a0da5cf0aabcc..26736ce3f3293 100644
--- a/gcc/testsuite/g++.dg/vect/pr33426-ivdep-4.cc
+++ b/gcc/testsuite/g++.dg/vect/pr33426-ivdep-4.cc
@@ -2,6 +2,7 @@ 
 /* { dg-require-effective-target vect_int } */
 /* { dg-require-effective-target vect_int_mult } */
 /* { dg-additional-options "-std=c++11 -O3 -fopt-info-vec-optimized -fdump-tree-original -fdump-tree-gimple" } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 /* PR other/33426 */
 /* Testing whether #pragma ivdep is working.  */
diff --git a/gcc/testsuite/g++.dg/vect/pr64410.cc b/gcc/testsuite/g++.dg/vect/pr64410.cc
index ad4b085b5e050..407b893da4b8a 100644
--- a/gcc/testsuite/g++.dg/vect/pr64410.cc
+++ b/gcc/testsuite/g++.dg/vect/pr64410.cc
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target vect_double }
 // { dg-additional-options "-fexcess-precision=fast" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 #include <complex>
diff --git a/gcc/testsuite/g++.dg/vect/slp-pr87105.cc b/gcc/testsuite/g++.dg/vect/slp-pr87105.cc
index 17017686792b3..b4cb16a14bfda 100644
--- a/gcc/testsuite/g++.dg/vect/slp-pr87105.cc
+++ b/gcc/testsuite/g++.dg/vect/slp-pr87105.cc
@@ -3,6 +3,7 @@ 
 // { dg-require-effective-target vect_double }
 // For MIN/MAX recognition
 // { dg-additional-options "-ffast-math" }
+// { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } }
 
 #include <algorithm>
 #include <cmath>
diff --git a/gcc/testsuite/g++.dg/vect/slp-pr98855.cc b/gcc/testsuite/g++.dg/vect/slp-pr98855.cc
index e0527c492d573..9b95a8d8948e6 100644
--- a/gcc/testsuite/g++.dg/vect/slp-pr98855.cc
+++ b/gcc/testsuite/g++.dg/vect/slp-pr98855.cc
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target i?86-*-* x86_64-*-* } }
 // { dg-additional-options "-fvect-cost-model=cheap -mavx2" }
+// { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } }
 
 #include <stdint.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.dg/vect/vect-novector-pragma.cc b/gcc/testsuite/g++.dg/vect/vect-novector-pragma.cc
index 8c6ff22fcaaba..3e5b42bcf1a23 100644
--- a/gcc/testsuite/g++.dg/vect/vect-novector-pragma.cc
+++ b/gcc/testsuite/g++.dg/vect/vect-novector-pragma.cc
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-require-effective-target vect_int } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/warn/Warray-bounds-27.C b/gcc/testsuite/g++.dg/warn/Warray-bounds-27.C
index 06ce089c4b0e0..269999a1f912f 100644
--- a/gcc/testsuite/g++.dg/warn/Warray-bounds-27.C
+++ b/gcc/testsuite/g++.dg/warn/Warray-bounds-27.C
@@ -2,6 +2,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++11 }
 // { dg-options "-O2 -Warray-bounds" }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <array>
 #include <cstring>
diff --git a/gcc/testsuite/g++.dg/warn/Wdangling-pointer-pr110055.C b/gcc/testsuite/g++.dg/warn/Wdangling-pointer-pr110055.C
index 77dbbf380b691..b2df01e7d5110 100644
--- a/gcc/testsuite/g++.dg/warn/Wdangling-pointer-pr110055.C
+++ b/gcc/testsuite/g++.dg/warn/Wdangling-pointer-pr110055.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++11 }
 // { dg-options "-O3 -fno-exceptions -Wdangling-pointer" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <cstdint>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/warn/Wdangling-reference10.C b/gcc/testsuite/g++.dg/warn/Wdangling-reference10.C
index 733fb8cce6305..cc92e6b66e3d2 100644
--- a/gcc/testsuite/g++.dg/warn/Wdangling-reference10.C
+++ b/gcc/testsuite/g++.dg/warn/Wdangling-reference10.C
@@ -1,6 +1,7 @@ 
 // PR c++/107532
 // { dg-do compile { target c++20 } }
 // { dg-options "-Wdangling-reference" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <span>
 #include <vector>
diff --git a/gcc/testsuite/g++.dg/warn/Wdangling-reference14.C b/gcc/testsuite/g++.dg/warn/Wdangling-reference14.C
index 92b38a965e0a7..b83266ee6a808 100644
--- a/gcc/testsuite/g++.dg/warn/Wdangling-reference14.C
+++ b/gcc/testsuite/g++.dg/warn/Wdangling-reference14.C
@@ -1,6 +1,7 @@ 
 // PR c++/113256
 // { dg-do compile { target c++14 } }
 // { dg-options "-Wdangling-reference" }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 
 #include <utility>
 #include <cassert>
diff --git a/gcc/testsuite/g++.dg/warn/Wdangling-reference17.C b/gcc/testsuite/g++.dg/warn/Wdangling-reference17.C
index 8cda5dea4447c..f7b666dc2e907 100644
--- a/gcc/testsuite/g++.dg/warn/Wdangling-reference17.C
+++ b/gcc/testsuite/g++.dg/warn/Wdangling-reference17.C
@@ -1,6 +1,7 @@ 
 // PR c++/111410
 // { dg-do compile { target c++20 } }
 // { dg-options "-Wdangling-reference" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 #include <ranges>
diff --git a/gcc/testsuite/g++.dg/warn/Wdangling-reference4.C b/gcc/testsuite/g++.dg/warn/Wdangling-reference4.C
index aee7a29019b9a..0343bcf226b62 100644
--- a/gcc/testsuite/g++.dg/warn/Wdangling-reference4.C
+++ b/gcc/testsuite/g++.dg/warn/Wdangling-reference4.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target c++17 } }
 // { dg-options "-Wdangling-reference" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 // Check that we warn here even without -Wsystem-headers.
 
 #include <optional>
diff --git a/gcc/testsuite/g++.dg/warn/Wdangling-reference5.C b/gcc/testsuite/g++.dg/warn/Wdangling-reference5.C
index 59b5538aee59b..5e9da1e5bf170 100644
--- a/gcc/testsuite/g++.dg/warn/Wdangling-reference5.C
+++ b/gcc/testsuite/g++.dg/warn/Wdangling-reference5.C
@@ -1,6 +1,7 @@ 
 // PR c++/107488
 // { dg-do compile }
 // { dg-options "-Wdangling-reference" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-3.C b/gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-3.C
index 47f97dcb636a9..9d8958599ab31 100644
--- a/gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-3.C
+++ b/gcc/testsuite/g++.dg/warn/Wfree-nonheap-object-3.C
@@ -2,7 +2,8 @@ 
    Verify that even without -Wsystem-headers the warning is issued
    for pairs of library functions defined in system headers.
    { dg-do compile { target c++11 } }
-   { dg-options "-O2 -Wall" } */
+   { dg-options "-O2 -Wall" }
+   { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 #include <memory>
 #include <string>
diff --git a/gcc/testsuite/g++.dg/warn/Winline-3.C b/gcc/testsuite/g++.dg/warn/Winline-3.C
index 1c226d1b4a04b..0b318a9da6775 100644
--- a/gcc/testsuite/g++.dg/warn/Winline-3.C
+++ b/gcc/testsuite/g++.dg/warn/Winline-3.C
@@ -1,4 +1,5 @@ 
 // { dg-options "-Winline -O" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wmemset-elt-size1.C b/gcc/testsuite/g++.dg/warn/Wmemset-elt-size1.C
index e4d3232063d36..1eb29e0308866 100644
--- a/gcc/testsuite/g++.dg/warn/Wmemset-elt-size1.C
+++ b/gcc/testsuite/g++.dg/warn/Wmemset-elt-size1.C
@@ -1,5 +1,6 @@ 
 // PR c++/85710
 // { dg-additional-options -Wmemset-elt-size }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstring>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wparentheses-34.C b/gcc/testsuite/g++.dg/warn/Wparentheses-34.C
index 2100c8a193d22..91095695ea2ca 100644
--- a/gcc/testsuite/g++.dg/warn/Wparentheses-34.C
+++ b/gcc/testsuite/g++.dg/warn/Wparentheses-34.C
@@ -2,6 +2,7 @@ 
 // such as std::vector<bool>'s reference type the same as ordinary
 // bool.
 // { dg-additional-options "-Wparentheses" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape-2.C b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape-2.C
index 29414e00e366e..9cb344cdac7d4 100644
--- a/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape-2.C
+++ b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape-2.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O2 -Wstrict-aliasing" } */
+/* { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } } */
 
 #include<list>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape.C b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape.C
index 9ea619877059f..9d4f827c4394d 100644
--- a/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape.C
+++ b/gcc/testsuite/g++.dg/warn/Wstrict-aliasing-bogus-escape.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O2 -Wstrict-aliasing" } */
+/* { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } } */
 
 #include <string>
 #include <list>
diff --git a/gcc/testsuite/g++.dg/warn/Wstringop-overflow-6.C b/gcc/testsuite/g++.dg/warn/Wstringop-overflow-6.C
index 8173e601d4b26..51238dc6297c2 100644
--- a/gcc/testsuite/g++.dg/warn/Wstringop-overflow-6.C
+++ b/gcc/testsuite/g++.dg/warn/Wstringop-overflow-6.C
@@ -1,7 +1,8 @@ 
 /* PR middle-end/97595 - bogus -Wstringop-overflow due to DECL_SIZE_UNIT
    underreporting field size
    { dg-do compile { target c++11 } }
-   { dg-options "-O2 -Wall -Wsystem-headers" } */
+   { dg-options "-O2 -Wall -Wsystem-headers" }
+   { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } } */
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wstringop-overflow-8.C b/gcc/testsuite/g++.dg/warn/Wstringop-overflow-8.C
index d0ef5e73f9374..7666fa388ac13 100644
--- a/gcc/testsuite/g++.dg/warn/Wstringop-overflow-8.C
+++ b/gcc/testsuite/g++.dg/warn/Wstringop-overflow-8.C
@@ -1,5 +1,6 @@ 
 // PR c++/103534
 // { dg-additional-options "-O -Wall" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wstringop-overread-1.C b/gcc/testsuite/g++.dg/warn/Wstringop-overread-1.C
index f7ba61783da94..65874be855d39 100644
--- a/gcc/testsuite/g++.dg/warn/Wstringop-overread-1.C
+++ b/gcc/testsuite/g++.dg/warn/Wstringop-overread-1.C
@@ -1,6 +1,7 @@ 
 // PR middle-end/98994
 // { dg-do compile }
 // { dg-additional-options "-Wstringop-overread -O2" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wsystem-headers1a.C b/gcc/testsuite/g++.dg/warn/Wsystem-headers1a.C
index 68f6ea15f8d62..c44d6a91c20ef 100644
--- a/gcc/testsuite/g++.dg/warn/Wsystem-headers1a.C
+++ b/gcc/testsuite/g++.dg/warn/Wsystem-headers1a.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile { target *-*-*gnu } }
 // { dg-options "-Wsystem-headers" }
+// { dg-skip-if "requires hosted libstdc++ for stdlib atof" { ! hostedlib } }
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/g++.dg/warn/Wuninitialized-33.C b/gcc/testsuite/g++.dg/warn/Wuninitialized-33.C
index 1bb0639ee300f..41232c083c18e 100644
--- a/gcc/testsuite/g++.dg/warn/Wuninitialized-33.C
+++ b/gcc/testsuite/g++.dg/warn/Wuninitialized-33.C
@@ -2,6 +2,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++17 }
 // { dg-options "-O2 -Wall" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <algorithm>
 #include <memory>
diff --git a/gcc/testsuite/g++.dg/warn/Wuninitialized-pr111123-1.C b/gcc/testsuite/g++.dg/warn/Wuninitialized-pr111123-1.C
index 17a6f2b28d88d..4d3c44774b573 100644
--- a/gcc/testsuite/g++.dg/warn/Wuninitialized-pr111123-1.C
+++ b/gcc/testsuite/g++.dg/warn/Wuninitialized-pr111123-1.C
@@ -1,6 +1,7 @@ 
 // { dg-do compile }
 // { dg-require-effective-target c++11 }
 // { dg-options "-O -Wuninitialized" }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 #include <vector>
 
diff --git a/gcc/testsuite/g++.dg/warn/format1.C b/gcc/testsuite/g++.dg/warn/format1.C
index 27bc414b098ae..fec23e6252535 100644
--- a/gcc/testsuite/g++.dg/warn/format1.C
+++ b/gcc/testsuite/g++.dg/warn/format1.C
@@ -2,6 +2,7 @@ 
 // Origin: Joseph Myers <jsm28@cam.ac.uk>.
 // { dg-do compile }
 // { dg-options "-ansi -pedantic -Wformat" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 
 #include <cstdio>
 
diff --git a/gcc/testsuite/g++.dg/warn/huge-val1.C b/gcc/testsuite/g++.dg/warn/huge-val1.C
index 2ddfae0c9c683..c480cf32f353a 100644
--- a/gcc/testsuite/g++.dg/warn/huge-val1.C
+++ b/gcc/testsuite/g++.dg/warn/huge-val1.C
@@ -2,6 +2,7 @@ 
 // Origin: Joseph Myers <joseph@codesourcery.com>
 // { dg-do link }
 // { dg-options "-pedantic-errors" }
+// { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } }
 
 #include <math.h>
 
diff --git a/gcc/testsuite/g++.dg/warn/noreturn-1.C b/gcc/testsuite/g++.dg/warn/noreturn-1.C
index 17375d42eb76e..2a3dbcd97f929 100644
--- a/gcc/testsuite/g++.dg/warn/noreturn-1.C
+++ b/gcc/testsuite/g++.dg/warn/noreturn-1.C
@@ -2,6 +2,7 @@ 
 // Origin: Kaveh Ghazi <ghazi@caip.rutgers.edu> 2002-06-18.
 // { dg-do compile }
 // { dg-options "-Wall -O2" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib abort" { ! hostedlib } }
 
 #include <cstdlib>
 
diff --git a/gcc/testsuite/g++.dg/warn/string1.C b/gcc/testsuite/g++.dg/warn/string1.C
index 9eb5fb696be54..c162bdf486605 100644
--- a/gcc/testsuite/g++.dg/warn/string1.C
+++ b/gcc/testsuite/g++.dg/warn/string1.C
@@ -1,5 +1,6 @@ 
 // PR c++/35652
 // { dg-options "-O -Wall" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 int test() {
diff --git a/gcc/testsuite/g++.dg/warn/uninit-pr105562.C b/gcc/testsuite/g++.dg/warn/uninit-pr105562.C
index ec3a5503c8043..63a53b46ec0ab 100644
--- a/gcc/testsuite/g++.dg/warn/uninit-pr105562.C
+++ b/gcc/testsuite/g++.dg/warn/uninit-pr105562.C
@@ -1,5 +1,6 @@ 
 // { dg-require-effective-target c++11 }
 // { dg-options "-O -Wall -fno-strict-aliasing" }
+// { dg-skip-if "requires hosted libstdc++ for regex" { ! hostedlib } }
 
 #include <regex>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.abi/arraynew.C b/gcc/testsuite/g++.old-deja/g++.abi/arraynew.C
index 2e11caecff6f5..05b6686c0f270 100644
--- a/gcc/testsuite/g++.old-deja/g++.abi/arraynew.C
+++ b/gcc/testsuite/g++.old-deja/g++.abi/arraynew.C
@@ -2,6 +2,7 @@ 
 // Origin: Mark Mitchell <mark@codesourcery.com>
 // Avoid use of none-overridable new/delete operators in shared
 // { dg-options "-static" { target *-*-mingw* } }
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib size_t" { ! hostedlib } } */
 
 #if defined (__GXX_ABI_VERSION) && __GXX_ABI_VERSION >= 100
 
diff --git a/gcc/testsuite/g++.old-deja/g++.abi/cxa_vec.C b/gcc/testsuite/g++.old-deja/g++.abi/cxa_vec.C
index de647c4eb69d8..2d1a08ed9a09f 100644
--- a/gcc/testsuite/g++.old-deja/g++.abi/cxa_vec.C
+++ b/gcc/testsuite/g++.old-deja/g++.abi/cxa_vec.C
@@ -7,6 +7,8 @@ 
 // { dg-options "-flat_namespace" { target *-*-darwin[67]* } }
 // Avoid use of non-overridable new/delete operators in shared
 // { dg-options "-static" { target *-*-mingw* } }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // Test __cxa_vec routines
 // Copyright (C) 2000, 2005 Free Software Foundation, Inc.
 // Contributed by Nathan Sidwell 7 Apr 2000 <nathan@nathan@codesourcery.com>
diff --git a/gcc/testsuite/g++.old-deja/g++.benjamin/15071.C b/gcc/testsuite/g++.old-deja/g++.benjamin/15071.C
index d05f48f500164..f9a7ad5b0f054 100644
--- a/gcc/testsuite/g++.old-deja/g++.benjamin/15071.C
+++ b/gcc/testsuite/g++.old-deja/g++.benjamin/15071.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // 981203 bkoz
 // g++/15071
 // gcc invocation fails to link in libstdc++
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/copy9.C b/gcc/testsuite/g++.old-deja/g++.brendan/copy9.C
index 79339c13de9d7..1294e6c58701a 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/copy9.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/copy9.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-additional-options "-fexcess-precision=fast" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed copy-ctors
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash15.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash15.C
index 3c59fa64b43a7..a6acd0aacf3f5 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash15.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash15.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed old-abort
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash20.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash20.C
index 93dc58cb150ae..116d11827eba6 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash20.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash20.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 // GROUPS passed old-abort
 #include <complex>
 typedef std::complex<double> Complex;
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash30.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash30.C
index 937cb10293ba8..ee7a1ffff4661 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash30.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash30.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 // GROUPS passed old-abort
 #include <string>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash38.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash38.C
index 80ef47180a92e..bdcd1108ce137 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash38.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash38.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed old-abort
 /*
    I received the following message when using g++ (version 2.3.3):
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash39.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash39.C
index 392c0a0091f24..fda212a12be69 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash39.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash39.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-w" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 // GROUPS passed old-abort
 //#include <GetOpt.h>
 #include <stdio.h>
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash49.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash49.C
index e0664da28dd80..0b3978161a6ef 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash49.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash49.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed old-abort
 #include<iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash52.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash52.C
index 1318ea6e9fef7..be46b71a9c7cf 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash52.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash52.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-Wreturn-type" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed old-abort
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/crash62.C b/gcc/testsuite/g++.old-deja/g++.brendan/crash62.C
index 7147c9a8e6e03..52531e6dc2c34 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/crash62.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/crash62.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed old-abort
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/cvt1.C b/gcc/testsuite/g++.old-deja/g++.brendan/cvt1.C
index f67602d29d910..a33aa6c7592f9 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/cvt1.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/cvt1.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed conversions
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/err-msg3.C b/gcc/testsuite/g++.old-deja/g++.brendan/err-msg3.C
index 724c6f5c320c2..9b1da17e3df57 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/err-msg3.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/err-msg3.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for fstream" { ! hostedlib } }
 // GROUPS passed error-messages
 #include <fstream>
 #include <iomanip>
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/nest21.C b/gcc/testsuite/g++.old-deja/g++.brendan/nest21.C
index 62ddab15600b6..a43d179ae1b11 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/nest21.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/nest21.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed nested-classes
 #include <iostream>
 #include <cstdio>
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/new3.C b/gcc/testsuite/g++.old-deja/g++.brendan/new3.C
index cc716d5c38fc8..3ae4439eff112 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/new3.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/new3.C
@@ -7,6 +7,8 @@ 
 // { dg-options "-flat_namespace" { target *-*-darwin[67]* } }
 // Avoid use of none-overridable new/delete operators in shared
 // { dg-options "-static" { target *-*-mingw* } }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // GROUPS passed operator-new
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.old-deja/g++.brendan/ptolemy2.C b/gcc/testsuite/g++.old-deja/g++.brendan/ptolemy2.C
index 669bd7914218a..72e04f1d26b47 100644
--- a/gcc/testsuite/g++.old-deja/g++.brendan/ptolemy2.C
+++ b/gcc/testsuite/g++.old-deja/g++.brendan/ptolemy2.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed ptolemy-bugs
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.eh/new1.C b/gcc/testsuite/g++.old-deja/g++.eh/new1.C
index 929188f6dcab9..5020a6bb58c72 100644
--- a/gcc/testsuite/g++.old-deja/g++.eh/new1.C
+++ b/gcc/testsuite/g++.old-deja/g++.eh/new1.C
@@ -2,6 +2,7 @@ 
 // Test that a throw in foo destroys the A, but does not free the memory.
 // Avoid use of none-overridable new/delete operators in shared
 // { dg-options "-static" { target *-*-mingw* } }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
 
 #include <cstddef>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.old-deja/g++.eh/new2.C b/gcc/testsuite/g++.old-deja/g++.eh/new2.C
index 563a7949e44f5..42382f3a8c0b2 100644
--- a/gcc/testsuite/g++.old-deja/g++.eh/new2.C
+++ b/gcc/testsuite/g++.old-deja/g++.eh/new2.C
@@ -3,6 +3,7 @@ 
 // Avoid use of none-overridable new/delete operators in shared
 // { dg-options "-static" { target *-*-mingw* } }
 // { dg-xfail-run-if "AIX operator new" { powerpc-ibm-aix* } }
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <cstddef>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.old-deja/g++.jason/2371.C b/gcc/testsuite/g++.old-deja/g++.jason/2371.C
index c4263d6a4fb5f..052fd4e1c2064 100644
--- a/gcc/testsuite/g++.old-deja/g++.jason/2371.C
+++ b/gcc/testsuite/g++.old-deja/g++.jason/2371.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 # 1 "SetLS.cc"
 // GROUPS passed templates nested-classes
 //
diff --git a/gcc/testsuite/g++.old-deja/g++.jason/template24.C b/gcc/testsuite/g++.old-deja/g++.jason/template24.C
index 0efce9ff12ec1..09fdc2e644eea 100644
--- a/gcc/testsuite/g++.old-deja/g++.jason/template24.C
+++ b/gcc/testsuite/g++.old-deja/g++.jason/template24.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // Bug: g++ doesn't find the conversion from ostream_withassign to ostream.
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.jason/template31.C b/gcc/testsuite/g++.old-deja/g++.jason/template31.C
index 81d696f2f0971..45b0e6e8b7e39 100644
--- a/gcc/testsuite/g++.old-deja/g++.jason/template31.C
+++ b/gcc/testsuite/g++.old-deja/g++.jason/template31.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // PRMS Id: 8569
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.jason/template44.C b/gcc/testsuite/g++.old-deja/g++.jason/template44.C
index 2aea33a5e0555..72da26eb39e4f 100644
--- a/gcc/testsuite/g++.old-deja/g++.jason/template44.C
+++ b/gcc/testsuite/g++.old-deja/g++.jason/template44.C
@@ -1,4 +1,6 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for stdlib qsort" { ! hostedlib } }
+
 #include <stdlib.h>
 #include <string.h>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.jason/typeid1.C b/gcc/testsuite/g++.old-deja/g++.jason/typeid1.C
index ec5156e0cd0bc..9eb3c92f408ce 100644
--- a/gcc/testsuite/g++.old-deja/g++.jason/typeid1.C
+++ b/gcc/testsuite/g++.old-deja/g++.jason/typeid1.C
@@ -1,4 +1,5 @@ 
 // { dg-do compile }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <typeinfo>
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/arg1.C b/gcc/testsuite/g++.old-deja/g++.law/arg1.C
index 2a87633d10a78..ea7191787bed1 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/arg1.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/arg1.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed arg-matching
 // arg-matching file
 // Subject: argument matching depending on the def order
diff --git a/gcc/testsuite/g++.old-deja/g++.law/arg8.C b/gcc/testsuite/g++.old-deja/g++.law/arg8.C
index 1aba05fb2e1ad..6e8a467c945fd 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/arg8.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/arg8.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed arg-matching
 // arg-matching file
 // Message-Id: <9307081747.AA14030@tnt>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/arm12.C b/gcc/testsuite/g++.old-deja/g++.law/arm12.C
index 866b47ada4407..7866296aa3068 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/arm12.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/arm12.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed ARM-compliance
 // arm file
 // From: belley@cae.ca (Benoit Belley 3218)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/arm13.C b/gcc/testsuite/g++.old-deja/g++.law/arm13.C
index f1393c6e39bce..66952dde3b7cf 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/arm13.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/arm13.C
@@ -1,4 +1,6 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // GROUPS passed ARM-compliance
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/arm9.C b/gcc/testsuite/g++.old-deja/g++.law/arm9.C
index ab18189dde3ee..c0e5efcacbaf5 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/arm9.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/arm9.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed ARM-compliance
 #include        <iostream>
 enum f1 {
diff --git a/gcc/testsuite/g++.old-deja/g++.law/bad-error7.C b/gcc/testsuite/g++.old-deja/g++.law/bad-error7.C
index 4c07d4315249a..dc3bc75696848 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/bad-error7.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/bad-error7.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed bad-errors
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/code-gen5.C b/gcc/testsuite/g++.old-deja/g++.law/code-gen5.C
index 0a992d0b9e891..aadded80a8dfc 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/code-gen5.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/code-gen5.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // GROUPS passed code-generation
 // code-gen file
 // From: "David" <norman@pi14.arc.umn.edu>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/ctors10.C b/gcc/testsuite/g++.old-deja/g++.law/ctors10.C
index cbf36cff55f55..d131a8c9ae0c0 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/ctors10.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/ctors10.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed constructors
 // ctor file
 // Message-Id: <9302052351.AA10789@harvey>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/ctors12.C b/gcc/testsuite/g++.old-deja/g++.law/ctors12.C
index adc5128ea7c53..bc5bf77e0b5c7 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/ctors12.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/ctors12.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // GROUPS passed constructors
 #include <cstdio>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/ctors13.C b/gcc/testsuite/g++.old-deja/g++.law/ctors13.C
index 82f70f35f063f..f12972743bbd0 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/ctors13.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/ctors13.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed constructors
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/ctors17.C b/gcc/testsuite/g++.old-deja/g++.law/ctors17.C
index 0d61c49abd791..e91045874e99b 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/ctors17.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/ctors17.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for fstream" { ! hostedlib } }
 // GROUPS passed constructors
 // ctor file
 // Message-Id: <199306151813.gD28471@mail.Germany.EU.net>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/ctors6.C b/gcc/testsuite/g++.old-deja/g++.law/ctors6.C
index ee26cb5020f54..9c6de0bfe503e 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/ctors6.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/ctors6.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 // GROUPS passed constructors
 #include <complex>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/cvt16.C b/gcc/testsuite/g++.old-deja/g++.law/cvt16.C
index 0c821b5896624..9f88a6e578567 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/cvt16.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/cvt16.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed conversions
 // cvt file
 // Message-Id: <9304121647.AA25819@tnt>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/cvt2.C b/gcc/testsuite/g++.old-deja/g++.law/cvt2.C
index afe138bd96996..77b000e31fcf5 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/cvt2.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/cvt2.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // GROUPS passed conversions
 #include <cstdio>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/cvt7.C b/gcc/testsuite/g++.old-deja/g++.law/cvt7.C
index e68adf02106fb..bf68a0f3d6945 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/cvt7.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/cvt7.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // GROUPS passed conversions
 // cvt file
 // From: krste@icsi.berkeley.edu (Krste Asanovic)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/except5.C b/gcc/testsuite/g++.old-deja/g++.law/except5.C
index a99ad8a4833ed..7a4ad287907e8 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/except5.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/except5.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-fexceptions" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed exceptions
 // except file
 // Message-Id: <199311101607.AA11803@hsi86.hsi.com>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/missed-error2.C b/gcc/testsuite/g++.old-deja/g++.law/missed-error2.C
index 7ae494b75da09..a42cf6aab98e7 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/missed-error2.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/missed-error2.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-additional-options -fpermissive }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed missed-error
 // missed-error file
 // From: ndc!don@csvax.cs.caltech.edu (Don Erway)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/nest3.C b/gcc/testsuite/g++.old-deja/g++.law/nest3.C
index daeaa201bd52c..fdac0ece2bebf 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/nest3.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/nest3.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed nest
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/operators32.C b/gcc/testsuite/g++.old-deja/g++.law/operators32.C
index 991e38ddbc4b5..577c52ca812ce 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/operators32.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/operators32.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed operators
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/operators4.C b/gcc/testsuite/g++.old-deja/g++.law/operators4.C
index fc623b4fc26b5..dda42aafd0895 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/operators4.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/operators4.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 // GROUPS passed operators
 // opr-del file
 // From: rollins@bart.ee.queensu.ca (Mark Rollins)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/scope2.C b/gcc/testsuite/g++.old-deja/g++.law/scope2.C
index 13c02c2ae0ff9..af1892e1abc56 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/scope2.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/scope2.C
@@ -1,4 +1,6 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } }
+
 // GROUPS passed scoping
 // scoping file
 // From: svkakkad@cs.utexas.edu (Sheetal V. Kakkad)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/vbase1.C b/gcc/testsuite/g++.old-deja/g++.law/vbase1.C
index 4cfe51d7740f8..077d6b21e96bc 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/vbase1.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/vbase1.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed vbase
 // vbase file
 // From: pino@hubble.eecs.berkeley.edu (Jose Luis Pino)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/virtual3.C b/gcc/testsuite/g++.old-deja/g++.law/virtual3.C
index 46fa08512be6f..a1a105ec81ce4 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/virtual3.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/virtual3.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed virtual-functions
 // virtual file
 // From: allan@ramjet.multinet.DE (Allan Brighton)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility1.C b/gcc/testsuite/g++.old-deja/g++.law/visibility1.C
index 1c786feb9d14c..ab5baf70c795f 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility1.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility1.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility10.C b/gcc/testsuite/g++.old-deja/g++.law/visibility10.C
index 7abb4a85d7c02..4eb5615df7377 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility10.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility10.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility13.C b/gcc/testsuite/g++.old-deja/g++.law/visibility13.C
index 451ef1afaf8e2..9644c085fd166 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility13.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility13.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 // visibility file
 // From: dinh@cs.ucla.edu (Dinh Le)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility17.C b/gcc/testsuite/g++.old-deja/g++.law/visibility17.C
index bf7a747c705f6..501855a4ba73a 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility17.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility17.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 // visibility file
 // From: Sandeep Shroff <ss@caere.com>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility2.C b/gcc/testsuite/g++.old-deja/g++.law/visibility2.C
index 539169639c3c4..c926ef518d5cc 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility2.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility2.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility22.C b/gcc/testsuite/g++.old-deja/g++.law/visibility22.C
index e3d9d1f6d002a..2088432494de6 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility22.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility22.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 // visibility file
 // From: Robert Carden <carden@thoth.ics.uci.edu>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility25.C b/gcc/testsuite/g++.old-deja/g++.law/visibility25.C
index 167436d00687d..91931b0769b6e 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility25.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility25.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 // visibility file
 // From: gfm@mencon.mencon.oz.au (Graham Menhennitt)
diff --git a/gcc/testsuite/g++.old-deja/g++.law/visibility7.C b/gcc/testsuite/g++.old-deja/g++.law/visibility7.C
index 33358b12b5100..db65523fbc7eb 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/visibility7.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/visibility7.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // GROUPS passed visibility
 // visibility file
 // From: Gordon Joly <G.Joly@cs.ucl.ac.uk>
diff --git a/gcc/testsuite/g++.old-deja/g++.law/weak.C b/gcc/testsuite/g++.old-deja/g++.law/weak.C
index 52444e77946dc..c751af6ae2b4d 100644
--- a/gcc/testsuite/g++.old-deja/g++.law/weak.C
+++ b/gcc/testsuite/g++.old-deja/g++.law/weak.C
@@ -1,6 +1,8 @@ 
 // { dg-do link { target i?86-*-linux* i?86-*-gnu* x86_64-*-linux* } }
 // { dg-require-effective-target static }
 // { dg-options "-static" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
+
 // Bug: g++ fails to instantiate operator<<.
 
 // libc-5.4.xx has __IO_putc in its static C library, which can conflict
diff --git a/gcc/testsuite/g++.old-deja/g++.martin/new1.C b/gcc/testsuite/g++.old-deja/g++.martin/new1.C
index 18eb88d7c79e8..68a5fd8549160 100644
--- a/gcc/testsuite/g++.old-deja/g++.martin/new1.C
+++ b/gcc/testsuite/g++.old-deja/g++.martin/new1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 //Lifetime of temporaries:
 //egcs 2.92 performs cleanup for temporaries inside new expressions
 //after the new is complete, not at the end of the full expression.
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/dyncast7.C b/gcc/testsuite/g++.old-deja/g++.mike/dyncast7.C
index 33e3fa787b92b..2c6d4590fc1da 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/dyncast7.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/dyncast7.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-fexceptions" }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 
 #include <typeinfo>
 #include <stdexcept>
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/eh13.C b/gcc/testsuite/g++.old-deja/g++.mike/eh13.C
index e2c7435c5ca9b..170d7bc8b1aaa 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/eh13.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/eh13.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { xfail arm-*-pe } }
 // { dg-options "-fexceptions" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 
 #include <string>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/eh2.C b/gcc/testsuite/g++.old-deja/g++.mike/eh2.C
index 862bd6e759832..1ef7d45807eb0 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/eh2.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/eh2.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { xfail sparc64-*-elf arm-*-pe } }
 // { dg-options "-fexceptions" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <cstdlib>
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/eh47.C b/gcc/testsuite/g++.old-deja/g++.mike/eh47.C
index 36d3b9db3298e..0b99a9f34e2d3 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/eh47.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/eh47.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { xfail sparc64-*-elf arm-*-pe } }
 // { dg-options "-fexceptions" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib exit" { ! hostedlib } }
 
 #include <cstdlib>
 #include <exception>
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/net34.C b/gcc/testsuite/g++.old-deja/g++.mike/net34.C
index 19a7e16bad20b..cb69cfaa0c825 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/net34.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/net34.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/net46.C b/gcc/testsuite/g++.old-deja/g++.mike/net46.C
index a2362325452d6..b1dcd189b7599 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/net46.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/net46.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <iostream>
 #include <cstdlib>
 #include <cstddef>
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/ns15.C b/gcc/testsuite/g++.old-deja/g++.mike/ns15.C
index b4cf044a80b46..5b3607fb03dd9 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/ns15.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/ns15.C
@@ -1,6 +1,7 @@ 
 // { dg-do assemble }
 // { dg-xfail-if "" { xstormy16-*-* } }
 // { dg-require-effective-target size20plus }
+// { dg-skip-if "requires hosted libstdc++ for stdlib qsort" { ! hostedlib } }
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/p658.C b/gcc/testsuite/g++.old-deja/g++.mike/p658.C
index a6268a36fd76b..0f52805478b7b 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/p658.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/p658.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // prms-id: 658
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/p710.C b/gcc/testsuite/g++.old-deja/g++.mike/p710.C
index 7fdd5b0223815..3756a5e76e1d6 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/p710.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/p710.C
@@ -1,4 +1,6 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } }
+
 // GROUPS passed delete
 /*
   Bug Id: 
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/p9706.C b/gcc/testsuite/g++.old-deja/g++.mike/p9706.C
index 0ed15e4c85c18..7a4c05f44ddba 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/p9706.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/p9706.C
@@ -1,5 +1,6 @@ 
 // { dg-do run { xfail sparc64-*-elf arm-*-pe } }
 // { dg-options "-fexceptions" }
+// { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } }
 // prms-id: 9706
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.old-deja/g++.mike/rtti1.C b/gcc/testsuite/g++.old-deja/g++.mike/rtti1.C
index 19aa3894e8cb4..795aab90305a0 100644
--- a/gcc/testsuite/g++.old-deja/g++.mike/rtti1.C
+++ b/gcc/testsuite/g++.old-deja/g++.mike/rtti1.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <typeinfo>
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.ns/using4.C b/gcc/testsuite/g++.old-deja/g++.ns/using4.C
index 72332f13e7a82..7a3c465781baa 100644
--- a/gcc/testsuite/g++.old-deja/g++.ns/using4.C
+++ b/gcc/testsuite/g++.old-deja/g++.ns/using4.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 //Build don't link
 #include <vector>
 namespace csp {
diff --git a/gcc/testsuite/g++.old-deja/g++.ns/using6.C b/gcc/testsuite/g++.old-deja/g++.ns/using6.C
index 68cf2da115796..bb54b8033907d 100644
--- a/gcc/testsuite/g++.old-deja/g++.ns/using6.C
+++ b/gcc/testsuite/g++.old-deja/g++.ns/using6.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 
 namespace csp {
diff --git a/gcc/testsuite/g++.old-deja/g++.oliva/new1.C b/gcc/testsuite/g++.old-deja/g++.oliva/new1.C
index 86d25f8e6f35a..3b6af27cb8bf0 100644
--- a/gcc/testsuite/g++.old-deja/g++.oliva/new1.C
+++ b/gcc/testsuite/g++.old-deja/g++.oliva/new1.C
@@ -1,4 +1,6 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } }
+
 // Copyright (C) 1999 Free Software Foundation
 
 // by Alexandre Oliva <oliva@dcc.unicamp.br>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/defarg6.C b/gcc/testsuite/g++.old-deja/g++.other/defarg6.C
index fabf0198000b1..a2b9fd1502632 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/defarg6.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/defarg6.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 // Origin: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
 
 #include <vector>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/delete8.C b/gcc/testsuite/g++.old-deja/g++.other/delete8.C
index ea44445b0b6c0..b3b374da5ba5a 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/delete8.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/delete8.C
@@ -1,4 +1,6 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for stdlib size_t" { ! hostedlib } }
+
 // Origin: Mark Mitchell <mark@codesourcery.com>
 
 #include <stdlib.h>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/headers1.C b/gcc/testsuite/g++.old-deja/g++.other/headers1.C
index 1080fe38c8ac7..5d37e94082f77 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/headers1.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/headers1.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 // Copyright (C) 2000 Free Software Foundation, Inc.
 // Contributed by Loren J. Rittle 07 Jun 2000 <ljrittle@acm.org>
 //
diff --git a/gcc/testsuite/g++.old-deja/g++.other/init9.C b/gcc/testsuite/g++.old-deja/g++.other/init9.C
index 0194cd1b49a94..d38f978975e6a 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/init9.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/init9.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 
 // Based on a testcase submitted by Tudor Hulubei <tudor@cs.unh.edu>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.other/inline14.C b/gcc/testsuite/g++.old-deja/g++.other/inline14.C
index 1bd74b4ac7379..473a8f078724e 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/inline14.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/inline14.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // Origin: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/inline2.C b/gcc/testsuite/g++.old-deja/g++.other/inline2.C
index f1d19626685fc..4a9499acd83a9 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/inline2.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/inline2.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-O2 -Winline" }
+// { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } }
 // Origin: Martin Reinecke <martin@MPA-Garching.MPG.DE>
 
 #include <cmath>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/inline7.C b/gcc/testsuite/g++.old-deja/g++.other/inline7.C
index 626000039c57d..410351f11b43e 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/inline7.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/inline7.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } }
 // Origin: Mark Mitchell <mark@codesourcery.com>
 
 #include <list>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/inline8.C b/gcc/testsuite/g++.old-deja/g++.other/inline8.C
index c12a8f74a9015..d45a359c96cad 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/inline8.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/inline8.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-O1" }
+// { dg-skip-if "requires hosted libstdc++ for map" { ! hostedlib } }
 // Origin: Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
 
 #include <map>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/optimize2.C b/gcc/testsuite/g++.old-deja/g++.other/optimize2.C
index b34eae05ebd44..a16394fd4816c 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/optimize2.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/optimize2.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // 
 // Copyright (C) 2001 Free Software Foundation, Inc.
 // Contributed by Nathan Sidwell 26 May 2001 <nathan@codesourcery.com>
diff --git a/gcc/testsuite/g++.old-deja/g++.other/sibcall1.C b/gcc/testsuite/g++.old-deja/g++.other/sibcall1.C
index fa9e37b378c7e..ecf2e1bbe2fc0 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/sibcall1.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/sibcall1.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.other/unchanging1.C b/gcc/testsuite/g++.old-deja/g++.other/unchanging1.C
index 6b2999cb95a2f..6beb513bba92f 100644
--- a/gcc/testsuite/g++.old-deja/g++.other/unchanging1.C
+++ b/gcc/testsuite/g++.old-deja/g++.other/unchanging1.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-O2" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 #include <complex>
diff --git a/gcc/testsuite/g++.old-deja/g++.pt/crash68.C b/gcc/testsuite/g++.old-deja/g++.pt/crash68.C
index 9afeae09aaf3e..c5ce84f5bff69 100644
--- a/gcc/testsuite/g++.old-deja/g++.pt/crash68.C
+++ b/gcc/testsuite/g++.old-deja/g++.pt/crash68.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-prune-output "mangled name" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // 
 // Copyright (C) 2001 Free Software Foundation, Inc.
 // Contributed by Nathan Sidwell 25 Jul 2001 <nathan@codesourcery.com>
diff --git a/gcc/testsuite/g++.old-deja/g++.pt/memtemp100.C b/gcc/testsuite/g++.old-deja/g++.pt/memtemp100.C
index c0495233af81e..e498c3b8396a8 100644
--- a/gcc/testsuite/g++.old-deja/g++.pt/memtemp100.C
+++ b/gcc/testsuite/g++.old-deja/g++.pt/memtemp100.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // Origin: philippeb@videotron.ca
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb109.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb109.C
index b98e8da6b1e5c..44e7eac730559 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb109.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb109.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for map" { ! hostedlib } }
 #include<map>
 #include<iostream>
 #include<vector>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb113.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb113.C
index 9c7ca6bfaed96..a5dbfa4f8e55c 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb113.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb113.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <iostream>
 
 class X : public std::streambuf
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb115.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb115.C
index e7065b269fe67..fe44e06ce2071 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb115.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb115.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-O" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 
 #include <iostream>
 #include <typeinfo>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb124.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb124.C
index 0be035ae867cb..728d9c209fbc8 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb124.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb124.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for stdexcept" { ! hostedlib } }
 #include <stdexcept>
 class X : public std::runtime_error {
   X ();
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb127.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb127.C
index d8d28b36a6341..1cd9abbd2daed 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb127.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb127.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 // Gets ICE 40.
 
 #include <vector>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb129.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb129.C
index a8dae01afe2df..c42f88a79644b 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb129.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb129.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } }
 // Gives ICE on EGCS release branch as of 98/06/08 on i686-pc-linux-gnulibc1)
 // From: Klaus-Georg Adams <Klaus-Georg.Adams@chemie.uni-karlsruhe.de>    
 // Message-Id: <199806081358.PAA02505@achibm5.chemie.uni-karlsruhe.de> 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb129a.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb129a.C
index 3150422e3c504..51ffcbeedc4bd 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb129a.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb129a.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for list" { ! hostedlib } }
 // Gives ICE on EGCS release branch as of 98/06/08 on i686-pc-linux-gnulibc1)
 // From: Klaus-Georg Adams <Klaus-Georg.Adams@chemie.uni-karlsruhe.de>    
 // Message-Id: <199806081358.PAA02505@achibm5.chemie.uni-karlsruhe.de> 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb130.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb130.C
index 20175cd9d3fd7..932f24911095f 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb130.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb130.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-Wall -Wno-deprecated" }
+// { dg-skip-if "requires hosted libstdc++ for backward/hash_set" { ! hostedlib } }
 // Gives spurious warnings when compiled with -Wall
 // EGCS 06/08/98 i686-pc-linux-gnulibc1
 // Message-Id: <199806081358.PAA02505@achibm5.chemie.uni-karlsruhe.de>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb132.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb132.C
index e5992aa66cbf8..b432b2da6b744 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb132.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb132.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-O -Wall  -fgcse" }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 // From: Klaus-Georg Adams <Klaus-Georg.Adams@chemie.uni-karlsruhe.de> 
 // Reported against EGCS snaps 98/06/28.
 //
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb15.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb15.C
index 1cb9fd15c8351..c1d94498c723a 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb15.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb15.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include<iostream>
 #include<cstddef>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb21.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb21.C
index a061fc016cf3c..0c615d4974659 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb21.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb21.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 
 #include <sstream>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb24.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb24.C
index 5e2a3ee45b3a9..0abbce2ed776f 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb24.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb24.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <iostream>
 
 template < class T >
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb27.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb27.C
index 0df2e10ae793a..054e53179c411 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb27.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb27.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-Wno-deprecated -Wno-return-type" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 /* bug.cc */
 /* simple program to demonstrate the bug with named return values in gcc
 */
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb28.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb28.C
index 89f19d57c996d..7f93d76f54f95 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb28.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb28.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 
 using namespace std;
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb29.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb29.C
index bea0d12e17782..c1880c8571e9b 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb29.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb29.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 
 using namespace std;
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb3.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb3.C
index b7487e97ba5b6..91e7e730a612d 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb3.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb3.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for complex" { ! hostedlib } }
 #include <complex>
 template<class T>
 class Vec {
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb30.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb30.C
index e0f290b7f0be5..b22d482e2bfe6 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb30.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb30.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for fstream" { ! hostedlib } }
 #include <fstream>
 
 class bifstream : public std::ifstream {
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb31.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb31.C
index 1e3c8f02d16de..49c90679da348 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb31.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb31.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include<iostream>
 
 int main() {
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb33.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb33.C
index 50328ad490045..005f9c9bc84bd 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb33.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb33.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for fstream" { ! hostedlib } }
 #include <fstream>
 #include <cstdio>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb36.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb36.C
index 56e67b3008201..0c5ebf9a902e4 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb36.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb36.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 using namespace std;
 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb39.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb39.C
index 144d3fff7ee55..24aa24b037d11 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb39.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb39.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for cctype" { ! hostedlib } }
 #include <cctype>
 #include <iostream>
 #include <sstream>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb4.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb4.C
index 99c2ca979ad8f..474784133245c 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb4.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb4.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // Error: Internal Compiler Error in GCC 2.7.2 and EGCS 1998/05/28 snapshot.
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb41.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb41.C
index 9f6ee5f43e0e4..37422fbd6ecd4 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb41.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb41.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <iostream>
 #include <iterator>
 #include <string>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb43.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb43.C
index c54050c3c7aa7..e4d16c7fb7230 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb43.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb43.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 // All the pointer_to_binary_function cases used to fail because g++
 // couldn't handle converting an overloaded function to a class type.
 // The first one should still fail because it requires an implicit conversion
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb44.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb44.C
index b21343c478ac9..ca8fcc372b23b 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb44.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb44.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for cstdio" { ! hostedlib } }
 // spurious 'const' in error.
 // For egcs-2.91.34, the warning message refers to
 // class ostream & operator <<(class ostream &, const class Vector<T> &)
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb46.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb46.C
index cbe482e90b806..7102504a1ae16 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb46.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb46.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <iostream>
 
 class A1 {
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb54.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb54.C
index 1e71ca82e6dbc..de8916770a56b 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb54.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb54.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iomanip" { ! hostedlib } }
 #include <iomanip>
 #include <iostream>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb55.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb55.C
index c1e2400ed9a32..2486a0688bb2a 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb55.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb55.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for sstream" { ! hostedlib } }
 // Since the constructor is in streambuf.h, additional diagnostics are
 // produced, which are not really supported in the old-deja framework
 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb59.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb59.C
index 84ccff26d1631..7fadf9a33a934 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb59.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb59.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #define INC_FUNCTIONAL  1
 #define USE_STATIC_CAST 1
 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb60.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb60.C
index ea80a4ce2e1cb..f81861ecade9a 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb60.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb60.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for string" { ! hostedlib } }
 #include <string>
 
 class t {
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb62.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb62.C
index bffba04800f09..8f6094a1fb1e5 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb62.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb62.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 
 void f(void)
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb66.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb66.C
index 3088593656e19..d9dc0a03548c9 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb66.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb66.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for cassert" { ! hostedlib } }
 #include <cassert>
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb7.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb7.C
index 4785305ff5308..83fa20db92161 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb7.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb7.C
@@ -1,4 +1,5 @@ 
 // { dg-do assemble  }
+// { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } }
 #include <vector>
 
 class T
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb73.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb73.C
index bf9cf598d9c94..6fcad36242212 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb73.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb73.C
@@ -1,5 +1,6 @@ 
 // { dg-do run  }
 // { dg-options "-O -Wall" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // Depletes VM.
 
 #include <iostream>
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb77.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb77.C
index 358c186ab9158..553fc539eaff7 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb77.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb77.C
@@ -1,4 +1,5 @@ 
 // { dg-do run  }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 #include <iostream>
 #include <sstream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.robertl/eb79.C b/gcc/testsuite/g++.old-deja/g++.robertl/eb79.C
index 1c1ad3e306779..9597d2e71fa14 100644
--- a/gcc/testsuite/g++.old-deja/g++.robertl/eb79.C
+++ b/gcc/testsuite/g++.old-deja/g++.robertl/eb79.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-prune-output "note" }
+// { dg-skip-if "requires hosted libstdc++ for iostream" { ! hostedlib } }
 // Makes bogus x86 assembly code.
 #include <iostream>
 
diff --git a/gcc/testsuite/g++.old-deja/g++.warn/iomanip.C b/gcc/testsuite/g++.old-deja/g++.warn/iomanip.C
index c437b26dbd114..c31d4cfb75cbd 100644
--- a/gcc/testsuite/g++.old-deja/g++.warn/iomanip.C
+++ b/gcc/testsuite/g++.old-deja/g++.warn/iomanip.C
@@ -1,5 +1,6 @@ 
 // { dg-do assemble  }
 // { dg-options "-O -Winline" }
+// { dg-skip-if "requires hosted libstdc++ for iomanip" { ! hostedlib } }
 // Bug: g++ wouldn't inline op<< because it was an explicit instantiation.
 // Origin: Jason Merrill <jason@cygnus.com>
 
diff --git a/gcc/testsuite/g++.target/i386/avx-pr54700-1.C b/gcc/testsuite/g++.target/i386/avx-pr54700-1.C
index ef696886ce67f..9037650aa4331 100644
--- a/gcc/testsuite/g++.target/i386/avx-pr54700-1.C
+++ b/gcc/testsuite/g++.target/i386/avx-pr54700-1.C
@@ -5,5 +5,6 @@ 
 /* { dg-final { scan-assembler-times "vpblendvb" 2 } } */
 /* { dg-final { scan-assembler-times "vblendvps" 4 } } */
 /* { dg-final { scan-assembler-times "vblendvpd" 4 } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include "sse4_1-pr54700-1.C"
diff --git a/gcc/testsuite/g++.target/i386/avx-pr54700-2.C b/gcc/testsuite/g++.target/i386/avx-pr54700-2.C
index e3556f312179b..251b95084b454 100644
--- a/gcc/testsuite/g++.target/i386/avx-pr54700-2.C
+++ b/gcc/testsuite/g++.target/i386/avx-pr54700-2.C
@@ -1,6 +1,7 @@ 
 /* PR target/54700 */
 /* { dg-do run { target avx } } */
 /* { dg-options "-O2 -std=c++14 -mavx -mno-xop -mno-avx2" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #define CHECK_H "avx-check.h"
 #define TEST avx_test
diff --git a/gcc/testsuite/g++.target/i386/avx2-pr54700-1.C b/gcc/testsuite/g++.target/i386/avx2-pr54700-1.C
index b685c2aa28bb8..99050c635d54c 100644
--- a/gcc/testsuite/g++.target/i386/avx2-pr54700-1.C
+++ b/gcc/testsuite/g++.target/i386/avx2-pr54700-1.C
@@ -5,6 +5,7 @@ 
 /* { dg-final { scan-assembler-times "vpblendvb" 2 } } */
 /* { dg-final { scan-assembler-times "vblendvps" 4 } } */
 /* { dg-final { scan-assembler-times "vblendvpd" 4 } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.target/i386/avx2-pr54700-2.C b/gcc/testsuite/g++.target/i386/avx2-pr54700-2.C
index e7a85c34b175b..0845d4af5eb55 100644
--- a/gcc/testsuite/g++.target/i386/avx2-pr54700-2.C
+++ b/gcc/testsuite/g++.target/i386/avx2-pr54700-2.C
@@ -1,6 +1,7 @@ 
 /* PR target/54700 */
 /* { dg-do run { target avx2 } } */
 /* { dg-options "-O2 -std=c++14 -mavx2 -mno-xop -mno-avx512f" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #ifndef CHECK_H
 #define CHECK_H "avx2-check.h"
diff --git a/gcc/testsuite/g++.target/i386/avx512bw-pr96246-2.C b/gcc/testsuite/g++.target/i386/avx512bw-pr96246-2.C
index 30a1b95957309..126d4d247163d 100644
--- a/gcc/testsuite/g++.target/i386/avx512bw-pr96246-2.C
+++ b/gcc/testsuite/g++.target/i386/avx512bw-pr96246-2.C
@@ -2,6 +2,7 @@ 
 /* { dg-do run } */
 /* { dg-require-effective-target avx512bw } */
 /* { dg-options "-O2 -std=c++14 -mavx512bw" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #define AVX512BW
 
diff --git a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1a.C b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1a.C
index fedc3aad0190e..e03d86482fb0c 100644
--- a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1a.C
+++ b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1a.C
@@ -5,5 +5,6 @@ 
 /* { dg-final { scan-assembler-times "vpblendvb" 2 } } */
 /* { dg-final { scan-assembler-times "vblendvps" 4 } } */
 /* { dg-final { scan-assembler-times "vblendvpd" 4 } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include "avx2-pr54700-1.C"
diff --git a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1b.C b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1b.C
index 03f9343565056..1259f28d55d8a 100644
--- a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1b.C
+++ b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-1b.C
@@ -5,5 +5,6 @@ 
 /* { dg-final { scan-assembler-times "pblendvb" 2 } } */
 /* { dg-final { scan-assembler-times "blendvps" 4 } } */
 /* { dg-final { scan-assembler-times "blendvpd" 4 } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include "sse4_1-pr54700-1.C"
diff --git a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2a.C b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2a.C
index 687a8c4fd8f02..b58d5f53c315d 100644
--- a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2a.C
+++ b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2a.C
@@ -1,6 +1,7 @@ 
 /* PR target/100648  */
 /* { dg-do run { target avx2 } } */
 /* { dg-options "-O2 -std=c++14 -mavx2 -mavx512vl -mavx512bw" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #ifndef CHECK_H
 #define CHECK_H "avx512f-helper.h"
diff --git a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2b.C b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2b.C
index 40450a90c52bd..f184d25fa1466 100644
--- a/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2b.C
+++ b/gcc/testsuite/g++.target/i386/avx512vl-pr54700-2b.C
@@ -1,6 +1,7 @@ 
 /* PR target/pr100648 */
 /* { dg-do run { target sse4 } } */
 /* { dg-options "-O2 -std=c++14 -msse4 -mavx512vl -mavx512bw -mno-xop" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #ifndef CHECK_H
 #define CHECK_H "avx512f-helper.h"
diff --git a/gcc/testsuite/g++.target/i386/avx512vl-pr96246-2.C b/gcc/testsuite/g++.target/i386/avx512vl-pr96246-2.C
index db9dce2caefba..5ac756d96f6a3 100644
--- a/gcc/testsuite/g++.target/i386/avx512vl-pr96246-2.C
+++ b/gcc/testsuite/g++.target/i386/avx512vl-pr96246-2.C
@@ -3,6 +3,7 @@ 
 /* { dg-require-effective-target avx512bw } */
 /* { dg-require-effective-target avx512vl } */
 /* { dg-options "-O2 -std=c++14 -mavx512bw -mavx512vl" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #define AVX512VL
 #define AVX512BW
diff --git a/gcc/testsuite/g++.target/i386/mvc4.C b/gcc/testsuite/g++.target/i386/mvc4.C
index 68df5e3e4d0ca..fd8c3e381c9a0 100644
--- a/gcc/testsuite/g++.target/i386/mvc4.C
+++ b/gcc/testsuite/g++.target/i386/mvc4.C
@@ -1,6 +1,7 @@ 
 /* { dg-do compile } */
 /* { dg-require-ifunc "" } */
 /* { dg-options "-mavx" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <immintrin.h>
 
diff --git a/gcc/testsuite/g++.target/i386/pr100885.C b/gcc/testsuite/g++.target/i386/pr100885.C
index bec08f7e96d0b..c09f743ee1fd0 100644
--- a/gcc/testsuite/g++.target/i386/pr100885.C
+++ b/gcc/testsuite/g++.target/i386/pr100885.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile { target { ! ia32 } } } */
 /* { dg-options "-mavx512vl -mno-avx512bw -O2 -Wno-int-to-pointer-cast -std=c++14" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include<x86intrin.h>
 typedef unsigned char byte;
diff --git a/gcc/testsuite/g++.target/i386/pr102166.C b/gcc/testsuite/g++.target/i386/pr102166.C
index 751cd2c6d26fd..f26a60ce56e81 100644
--- a/gcc/testsuite/g++.target/i386/pr102166.C
+++ b/gcc/testsuite/g++.target/i386/pr102166.C
@@ -1,6 +1,7 @@ 
 /* PR target/102166 */
 /* { dg-do compile { target { ! ia32 } } } */
 /* { dg-options "-O2 -std=c++14" } */
+/* { dg-skip-if "requires hosted libstdc++ for stdlib malloc" { ! hostedlib } } */
 
 #include<immintrin.h>
 __attribute__((target("amx-tile"))) void amx()
diff --git a/gcc/testsuite/g++.target/i386/pr103750-fwprop-1.C b/gcc/testsuite/g++.target/i386/pr103750-fwprop-1.C
index 26987d307aa65..922e33e2c636f 100644
--- a/gcc/testsuite/g++.target/i386/pr103750-fwprop-1.C
+++ b/gcc/testsuite/g++.target/i386/pr103750-fwprop-1.C
@@ -2,6 +2,7 @@ 
 /* { dg-do compile } */
 /* { dg-options "-O2 -std=c++1y -march=cannonlake -fdump-rtl-fwprop1" } */
 /* { dg-final { scan-rtl-dump-not "subreg:HI\[ \\\(\]*reg:SI\[^\n]*\n\[^\n]*UNSPEC_TZCNT" "fwprop1" } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include<immintrin.h>
 const char16_t *qustrchr(char16_t *n, char16_t *e, char16_t c) noexcept
diff --git a/gcc/testsuite/g++.target/i386/pr105593.C b/gcc/testsuite/g++.target/i386/pr105593.C
index 3897f706bb11c..aef1adbcf46df 100644
--- a/gcc/testsuite/g++.target/i386/pr105593.C
+++ b/gcc/testsuite/g++.target/i386/pr105593.C
@@ -1,6 +1,7 @@ 
 // PR c++/105593
 // { dg-do compile { target c++14 } }
 // { dg-options "-mavx512fp16 -W -Wall -O2" }
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.target/i386/pr105638.C b/gcc/testsuite/g++.target/i386/pr105638.C
index c8770933b7c15..b91301ba47cef 100644
--- a/gcc/testsuite/g++.target/i386/pr105638.C
+++ b/gcc/testsuite/g++.target/i386/pr105638.C
@@ -1,6 +1,7 @@ 
 /* { dg-do compile { target { ! ia32 } } } */
 /* { dg-options "-std=gnu++20 -O2 -march=skylake" } */
 /* { dg-final { scan-assembler-not "call\[\\t \]_?memset\[\r\n\]\[^\r\n\]movq\[\\t \]%\[a-z0-9]*, %\[a-z0-9]*\[\r\n\]\[^\r\n\]vpxor\[\\t \]%xmm0, %xmm0, %xmm0\[\r\n\]\[^\r\n\]vmovdqu\[\\t \]%xmm0, 36\\(%rax\\)" } } */
+/* { dg-skip-if "requires hosted libstdc++ for vector" { ! hostedlib } } */
 
 
 #include <stdint.h>
diff --git a/gcc/testsuite/g++.target/i386/pr110170.C b/gcc/testsuite/g++.target/i386/pr110170.C
index 21cca8f380527..d2d8811b13d79 100644
--- a/gcc/testsuite/g++.target/i386/pr110170.C
+++ b/gcc/testsuite/g++.target/i386/pr110170.C
@@ -1,5 +1,7 @@ 
 /* { dg-do run { target sse4 } } */
 /* { dg-options " -O2 -msse4.1 -mfpmath=sse -std=gnu++20" } */
+/* { dg-skip-if "requires hosted libstdc++ for cmath" { ! hostedlib } } */
+
 #include <math.h>
 
 #ifndef CHECK_H
diff --git a/gcc/testsuite/g++.target/i386/pr112443.C b/gcc/testsuite/g++.target/i386/pr112443.C
index ebfa9b4a753b7..7a47ceaf632ee 100644
--- a/gcc/testsuite/g++.target/i386/pr112443.C
+++ b/gcc/testsuite/g++.target/i386/pr112443.C
@@ -2,6 +2,7 @@ 
 /* { dg-require-effective-target avx512bw } */
 /* { dg-require-effective-target avx512vl } */
 /* { dg-options "-O2 -std=c++17 -mavx512bw -mavx512vl" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <cstdint>
 #include <x86intrin.h>
diff --git a/gcc/testsuite/g++.target/i386/pr113560.C b/gcc/testsuite/g++.target/i386/pr113560.C
index 179b68f9833fe..c4a1ccf41c43c 100644
--- a/gcc/testsuite/g++.target/i386/pr113560.C
+++ b/gcc/testsuite/g++.target/i386/pr113560.C
@@ -1,5 +1,6 @@ 
 /* { dg-do compile { target { ! ia32 } } } */
 /* { dg-options "-Ofast -std=c++23 -march=znver4" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <immintrin.h>
 auto f(char *buf, unsigned long long in) noexcept
diff --git a/gcc/testsuite/g++.target/i386/pr80566-1.C b/gcc/testsuite/g++.target/i386/pr80566-1.C
index 29da31d6bb623..2a8031c46bd6a 100644
--- a/gcc/testsuite/g++.target/i386/pr80566-1.C
+++ b/gcc/testsuite/g++.target/i386/pr80566-1.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-O2 -march=haswell -mtune-ctrl=avx256_store_by_pieces" }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstring>
 
diff --git a/gcc/testsuite/g++.target/i386/pr80566-2.C b/gcc/testsuite/g++.target/i386/pr80566-2.C
index 9ffd2c8cadb83..9f09c9d8de8fd 100644
--- a/gcc/testsuite/g++.target/i386/pr80566-2.C
+++ b/gcc/testsuite/g++.target/i386/pr80566-2.C
@@ -1,5 +1,6 @@ 
 // { dg-do compile }
 // { dg-options "-O2 -march=haswell -mtune-ctrl=avx256_move_by_pieces" }
+// { dg-skip-if "requires hosted libstdc++ for cstring" { ! hostedlib } }
 
 #include <cstring>
 
diff --git a/gcc/testsuite/g++.target/i386/pr88152.C b/gcc/testsuite/g++.target/i386/pr88152.C
index 9f1659b75868c..a0aed94e7acfd 100644
--- a/gcc/testsuite/g++.target/i386/pr88152.C
+++ b/gcc/testsuite/g++.target/i386/pr88152.C
@@ -8,6 +8,7 @@ 
 // { dg-final { scan-assembler-times "vmovmskpd\[^\n\r]*xmm" 4 } }
 // { dg-final { scan-assembler-times "vmovmskpd\[^\n\r]*ymm" 4 } }
 // { dg-final { scan-assembler-not "vpcmpgt|vpcmpeq|vpsra" } }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.target/i386/pr88998.C b/gcc/testsuite/g++.target/i386/pr88998.C
index a338ad7964c10..a54132831426b 100644
--- a/gcc/testsuite/g++.target/i386/pr88998.C
+++ b/gcc/testsuite/g++.target/i386/pr88998.C
@@ -2,6 +2,7 @@ 
 // { dg-do run { target sse2_runtime } }
 // { dg-options "-O2 -msse2 -mfpmath=387" }
 // { dg-require-effective-target c++11 }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <cassert>
 #include <unordered_map>
diff --git a/gcc/testsuite/g++.target/i386/pr94046-1.C b/gcc/testsuite/g++.target/i386/pr94046-1.C
index f2d472442d766..708c9f8f3f0e2 100644
--- a/gcc/testsuite/g++.target/i386/pr94046-1.C
+++ b/gcc/testsuite/g++.target/i386/pr94046-1.C
@@ -1,6 +1,7 @@ 
 // PR target/94046
 // { dg-do compile }
 // { dg-options "-O2 -mavx2 -mxop" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.target/i386/pr94046-2.C b/gcc/testsuite/g++.target/i386/pr94046-2.C
index abc8c3ee1ec43..ba6678669d71c 100644
--- a/gcc/testsuite/g++.target/i386/pr94046-2.C
+++ b/gcc/testsuite/g++.target/i386/pr94046-2.C
@@ -1,5 +1,6 @@ 
 // PR target/94046
 // { dg-do compile }
 // { dg-options "-O0 -mavx2 -mxop" }
+// { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } }
 
 #include "pr94046-1.C"
diff --git a/gcc/testsuite/g++.target/i386/sse4_1-pr54700-1.C b/gcc/testsuite/g++.target/i386/sse4_1-pr54700-1.C
index 2b5cdb14b13a8..020da6964a449 100644
--- a/gcc/testsuite/g++.target/i386/sse4_1-pr54700-1.C
+++ b/gcc/testsuite/g++.target/i386/sse4_1-pr54700-1.C
@@ -5,6 +5,7 @@ 
 /* { dg-final { scan-assembler-times "pblendvb" 2 } } */
 /* { dg-final { scan-assembler-times "blendvps" 4 } } */
 /* { dg-final { scan-assembler-times "blendvpd" 4 } } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #include <x86intrin.h>
 
diff --git a/gcc/testsuite/g++.target/i386/sse4_1-pr54700-2.C b/gcc/testsuite/g++.target/i386/sse4_1-pr54700-2.C
index cef7d9764f8db..09e768fb2c92d 100644
--- a/gcc/testsuite/g++.target/i386/sse4_1-pr54700-2.C
+++ b/gcc/testsuite/g++.target/i386/sse4_1-pr54700-2.C
@@ -1,6 +1,7 @@ 
 /* PR target/54700 */
 /* { dg-do run { target sse4 } } */
 /* { dg-options "-O2 -std=c++14 -msse4 -mno-avx -mno-xop" } */
+/* { dg-skip-if "requires hosted libstdc++ for cstdlib malloc" { ! hostedlib } } */
 
 #ifndef CHECK_H
 #define CHECK_H "sse4_1-check.h"
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index d3569c80b6fed..34000653ab876 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -865,6 +865,24 @@  proc check_effective_target_freestanding { } {
     return 0
 }
 
+# Return 1 if a hosted implementation of libstdc++ is available
+# (i.e. not freestanding).  Language must be c++.
+proc check_effective_target_hostedlib { } {
+    if [check_effective_target_freestanding] {
+        return 0
+    }
+    if [check_effective_target_c++] {
+        return [check_no_compiler_messages hostedlib assembly {
+            #include <bits/c++config.h>
+            #if ! _GLIBCXX_HOSTED
+            #error not hosted
+            #endif
+	    int hosted;
+        }]
+    }
+    return 1
+}
+
 # Check to see that file I/O functions are available.
 proc check_effective_target_fileio { } {
     return [check_no_compiler_messages fileio_available executable {