2013-07-20  Alan Modra  <amodra@gmail.com>

	PR ld/15762
	PR ld/12761
	* elflink.c (elf_link_add_object_symbols): Don't clobber
	.gnu.warning.symbol sections when shared.

Index: binutils-2.23.2/bfd/elflink.c
===================================================================
--- binutils-2.23.2.orig/bfd/elflink.c
+++ binutils-2.23.2/bfd/elflink.c
@@ -3468,7 +3468,7 @@ elf_link_add_object_symbols (bfd *abfd,
 		      FALSE, bed->collect, NULL)))
 		goto error_return;
 
-	      if (! info->relocatable)
+	      if (!info->relocatable && !info->shared)
 		{
 		  /* Clobber the section size so that the warning does
 		     not get copied into the output file.  */