libstdc++/61269 fix <type_traits> for clang

commit 2611cfac77420816ad312bcfd211f0899a697880
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Wed May 21 14:40:55 2014 +0100

    	PR libstdc++/61269
    	* include/std/type_traits: Move include outside namespace std.
    	* testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error.
    	* testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Likewise.
    	* testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
    	Likewise.

diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits
index 0eacd36..1ff2e62 100644
--- a/libstdc++-v3/include/std/type_traits
+++ b/libstdc++-v3/include/std/type_traits
@@ -37,19 +37,22 @@ 
 
 #include <bits/c++config.h>
 
-namespace std _GLIBCXX_VISIBILITY(default)
-{
-_GLIBCXX_BEGIN_NAMESPACE_VERSION
-
 #ifdef _GLIBCXX_USE_C99_STDINT_TR1
 # if defined (__UINT_LEAST16_TYPE__) && defined(__UINT_LEAST32_TYPE__)
+namespace std
+{
   typedef __UINT_LEAST16_TYPE__ uint_least16_t;
   typedef __UINT_LEAST32_TYPE__ uint_least32_t;
+}
 # else
 #  include <cstdint>
 # endif
 #endif
 
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
   /**
    * @defgroup metaprogramming Metaprogramming
    * @ingroup utilities
diff --git a/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc b/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc
index 6be3af0..04e6b71 100644
--- a/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/declval/requirements/1_neg.cc
@@ -19,7 +19,7 @@ 
 // with this library; see the file COPYING3.  If not see
 // <http://www.gnu.org/licenses/>.
 
-// { dg-error "static assertion failed" "" { target *-*-* } 2033 }
+// { dg-error "static assertion failed" "" { target *-*-* } 2036 }
 
 #include <utility>
 
diff --git a/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs_neg.cc b/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs_neg.cc
index 77f8bb3..d711546 100644
--- a/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/make_signed/requirements/typedefs_neg.cc
@@ -48,5 +48,5 @@  void test01()
 // { dg-error "required from here" "" { target *-*-* } 40 }
 // { dg-error "required from here" "" { target *-*-* } 42 }
 
-// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1744 }
-// { dg-error "declaration of" "" { target *-*-* } 1708 }
+// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1747 }
+// { dg-error "declaration of" "" { target *-*-* } 1711 }
diff --git a/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc b/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc
index 48ee225..c77205b 100644
--- a/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc
+++ b/libstdc++-v3/testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc
@@ -48,5 +48,5 @@  void test01()
 // { dg-error "required from here" "" { target *-*-* } 40 }
 // { dg-error "required from here" "" { target *-*-* } 42 }
 
-// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1647 }
-// { dg-error "declaration of" "" { target *-*-* } 1611 }
+// { dg-error "invalid use of incomplete type" "" { target *-*-* } 1650 }
+// { dg-error "declaration of" "" { target *-*-* } 1614 }