re PR libstdc++/54314 (undefined references to 'construction vtable for…

re PR libstdc++/54314 (undefined references to 'construction vtable for std::ostream-in-std::basic_ostringstream<char, std::char_traits<char>, std::allocator<char> >')

	PR libstdc++/54314
	* config/i386/winnt.c (i386_pe_assemble_visibility): Don't warn
	about visibility on artificial decls.
	* config/sol2.c (solaris_assemble_visibility): Likewise.

From-SVN: r195723

gcc/ChangeLog

+2013-02-04  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libstdc++/54314
+	* config/i386/winnt.c (i386_pe_assemble_visibility): Don't warn
+	about visibility on artificial decls.
+	* config/sol2.c (solaris_assemble_visibility): Likewise.
+
 2013-02-04  Kai Tietz  <ktietz@redhat.com>
 
 	PR target/56186
@@ -9,10 +16,9 @@
 	(return_in_memory_ms_64): Sync 16-byte sized mode handling with
 	handling infunction_value_64 function.
 
-
 2013-02-04  Matthew Gretton-Dann  <matthew.gretton-dann@linaro.org>
 
-	* gcc/reload.c (subst_reloads): Fix DEBUG_RELOAD build issue.
+	* reload.c (subst_reloads): Fix DEBUG_RELOAD build issue.
 
 2013-02-04  Richard Biener  <rguenther@suse.de>
 

gcc/config/i386/winnt.c

@@ -250,8 +250,9 @@ i386_pe_assemble_visibility (tree decl,
   if (!decl
       || !lookup_attribute ("visibility", DECL_ATTRIBUTES (decl)))
     return;
-  warning (OPT_Wattributes, "visibility attribute not supported "
-	   "in this configuration; ignored");
+  if (!DECL_ARTIFICIAL (decl))
+    warning (OPT_Wattributes, "visibility attribute not supported "
+			      "in this configuration; ignored");
 }
 
 /* This is used as a target hook to modify the DECL_ASSEMBLER_NAME

gcc/config/sol2.c

@@ -124,8 +124,7 @@ solaris_output_init_fini (FILE *file, tree decl)
    the visibility type VIS, which must not be VISIBILITY_DEFAULT.  */
 
 void
-solaris_assemble_visibility (tree decl ATTRIBUTE_UNUSED,
-			     int vis ATTRIBUTE_UNUSED)
+solaris_assemble_visibility (tree decl, int vis ATTRIBUTE_UNUSED)
 {
 #ifdef HAVE_GAS_HIDDEN
   /* Sun as uses .symbolic for STV_PROTECTED.  STV_INTERNAL is marked as
@@ -152,8 +151,9 @@ solaris_assemble_visibility (tree decl ATTRIBUTE_UNUSED,
   assemble_name (asm_out_file, name);
   fprintf (asm_out_file, "\n");
 #else
-  warning (OPT_Wattributes, "visibility attribute not supported "
-	   "in this configuration; ignored");
+  if (!DECL_ARTIFICIAL (decl))
+    warning (OPT_Wattributes, "visibility attribute not supported "
+			      "in this configuration; ignored");
 #endif
 }