[C++] Use rich_location::add_range in three more places

Index: cp/decl.c
===================================================================
--- cp/decl.c	(revision 262469)
+++ cp/decl.c	(working copy)
@@ -51,6 +51,7 @@  along with GCC; see the file COPYING3.  If not see
 #include "builtins.h"
 #include "gimplify.h"
 #include "asan.h"
+#include "gcc-rich-location.h"
 
 /* Possible cases of bad specifiers type used by bad_specifiers. */
 enum bad_spec_place {
@@ -10580,9 +10581,18 @@  grokdeclarator (const cp_declarator *declarator,
       int ok = 0;
 
       if (signed_p && unsigned_p)
-	error_at (loc, "%<signed%> and %<unsigned%> specified together");
+	{
+	  gcc_rich_location richloc (declspecs->locations[ds_signed]);
+	  richloc.add_range (declspecs->locations[ds_unsigned], false);
+	  error_at (&richloc,
+		    "%<signed%> and %<unsigned%> specified together");
+	}
       else if (long_p && short_p)
-	error_at (loc, "%<long%> and %<short%> specified together");
+	{
+	  gcc_rich_location richloc (declspecs->locations[ds_long]);
+	  richloc.add_range (declspecs->locations[ds_short], false);
+	  error_at (&richloc, "%<long%> and %<short%> specified together");
+	}
       else if (TREE_CODE (type) != INTEGER_TYPE
 	       || type == char16_type_node || type == char32_type_node
 	       || ((long_p || short_p)
@@ -10723,7 +10733,7 @@  grokdeclarator (const cp_declarator *declarator,
     {
       if (staticp == 2)
 	{
-	  rich_location richloc (line_table, declspecs->locations[ds_virtual]);
+	  gcc_rich_location richloc (declspecs->locations[ds_virtual]);
 	  richloc.add_range (declspecs->locations[ds_storage_class], false);
 	  error_at (&richloc, "member %qD cannot be declared both %<virtual%> "
 		    "and %<static%>", dname);
@@ -10732,7 +10742,7 @@  grokdeclarator (const cp_declarator *declarator,
 	}
       if (constexpr_p)
 	{
-	  rich_location richloc (line_table, declspecs->locations[ds_virtual]);
+	  gcc_rich_location richloc (declspecs->locations[ds_virtual]);
 	  richloc.add_range (declspecs->locations[ds_constexpr], false);
 	  error_at (&richloc, "member %qD cannot be declared both %<virtual%> "
 		    "and %<constexpr%>", dname);
@@ -11270,8 +11280,9 @@  grokdeclarator (const cp_declarator *declarator,
 		if (virtualp)
 		  {
 		    /* Cannot be both friend and virtual.  */
-		    error_at (declspecs->locations[ds_friend],
-			      "virtual functions cannot be friends");
+		    gcc_rich_location richloc (declspecs->locations[ds_virtual]);
+		    richloc.add_range (declspecs->locations[ds_friend], false);
+		    error_at (&richloc, "virtual functions cannot be friends");
 		    friendp = 0;
 		  }
 		if (decl_context == NORMAL)
Index: testsuite/g++.dg/diagnostic/long-short.C
===================================================================
--- testsuite/g++.dg/diagnostic/long-short.C	(nonexistent)
+++ testsuite/g++.dg/diagnostic/long-short.C	(working copy)
@@ -0,0 +1,12 @@ 
+// { dg-options "-fdiagnostics-show-caret" }
+
+long short int a;  // { dg-error "1:.long. and .short. specified together" }
+/* { dg-begin-multiline-output "" }
+ long short int a;
+ ^~~~ ~~~~~
+   { dg-end-multiline-output "" } */
+short long int b;  // { dg-error "7:.long. and .short. specified together" }
+/* { dg-begin-multiline-output "" }
+ short long int b;
+ ~~~~~ ^~~~
+   { dg-end-multiline-output "" } */
Index: testsuite/g++.dg/diagnostic/signed-unsigned.C
===================================================================
--- testsuite/g++.dg/diagnostic/signed-unsigned.C	(nonexistent)
+++ testsuite/g++.dg/diagnostic/signed-unsigned.C	(working copy)
@@ -0,0 +1,12 @@ 
+// { dg-options "-fdiagnostics-show-caret" }
+
+signed unsigned int a;  // { dg-error "1:.signed. and .unsigned. specified together" }
+/* { dg-begin-multiline-output "" }
+ signed unsigned int a;
+ ^~~~~~ ~~~~~~~~
+   { dg-end-multiline-output "" } */
+unsigned signed int b;  // { dg-error "10:.signed. and .unsigned. specified together" }
+/* { dg-begin-multiline-output "" }
+ unsigned signed int b;
+ ~~~~~~~~ ^~~~~~
+   { dg-end-multiline-output "" } */
Index: testsuite/g++.dg/diagnostic/virtual-friend.C
===================================================================
--- testsuite/g++.dg/diagnostic/virtual-friend.C	(nonexistent)
+++ testsuite/g++.dg/diagnostic/virtual-friend.C	(working copy)
@@ -0,0 +1,16 @@ 
+// { dg-options "-fdiagnostics-show-caret" }
+// { dg-do compile { target c++11 } }
+
+struct S
+{
+  virtual friend void foo();  // { dg-error "3:virtual functions cannot be friends" }
+/* { dg-begin-multiline-output "" }
+   virtual friend void foo();
+   ^~~~~~~ ~~~~~~
+   { dg-end-multiline-output "" } */
+  friend virtual void bar();  // { dg-error "10:virtual functions cannot be friends" }
+/* { dg-begin-multiline-output "" }
+   friend virtual void bar();
+   ~~~~~~ ^~~~~~~
+   { dg-end-multiline-output "" } */
+};
Index: testsuite/g++.old-deja/g++.brendan/crash11.C
===================================================================
--- testsuite/g++.old-deja/g++.brendan/crash11.C	(revision 262451)
+++ testsuite/g++.old-deja/g++.brendan/crash11.C	(working copy)
@@ -9,13 +9,13 @@  class A {
 	int	h;
 	A() { i=10; j=20; }
 	virtual void f1() { printf("i=%d j=%d\n",i,j); }
-	friend virtual void f2() { printf("i=%d j=%d\n",i,j); } // { dg-error "2:virtual functions cannot be friends" }
+	friend virtual void f2() { printf("i=%d j=%d\n",i,j); } // { dg-error "9:virtual functions cannot be friends" }
 };
 
 class B : public A {
     public:
 	virtual void f1() { printf("i=%d j=%d\n",i,j); }// { dg-error "" }  member.*// ERROR -  member.*
-	friend virtual void f2() { printf("i=%d j=%d\n",i,j); }  // { dg-error "2:virtual functions cannot be friends" }
+	friend virtual void f2() { printf("i=%d j=%d\n",i,j); }  // { dg-error "9:virtual functions cannot be friends" }
 // { dg-error "private" "" { target *-*-* } .-1 }
 };