varasm.c (default_use_anchors_for_symbol_p): Use decl_replaceable_p.

	gcc/
	* varasm.c (default_use_anchors_for_symbol_p): Use decl_replaceable_p.

	gcc/testsuite/
	* gcc.dg/visibility-21.c: New.

From-SVN: r198965

gcc/ChangeLog

+2013-05-16  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* varasm.c (default_use_anchors_for_symbol_p): Use decl_replaceable_p.
+
 2013-05-16  Marc Glisse  <marc.glisse@inria.fr>
 
 	PR middle-end/57286

gcc/testsuite/ChangeLog

+2013-05-16  Nathan Sidwell  <nathan@codesourcery.com>
+
+	* gcc.dg/visibility-21.c: New.
+
 2013-05-16  Marc Glisse  <marc.glisse@inria.fr>
 
 	PR middle-end/57286

gcc/testsuite/gcc.dg/visibility-21.c

+/* Test visibility attribute on function definition. */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fsection-anchors" } */
+/* { dg-require-visibility "" } */
+/* { dg-require-weak "" } */
+/* { dg-final { scan-assembler-not "ANCHOR" } } */
+
+int __attribute__((weak, visibility("hidden"))) weak_hidden[3];
+
+int *f_weak_hidden ()
+{
+  return weak_hidden;
+}

gcc/varasm.c

@@ -6580,9 +6580,9 @@ default_use_anchors_for_symbol_p (const_rtx symbol)
   decl = SYMBOL_REF_DECL (symbol);
   if (decl && DECL_P (decl))
     {
-      /* Don't use section anchors for decls that might be defined by
-	 other modules.  */
-      if (!targetm.binds_local_p (decl))
+      /* Don't use section anchors for decls that might be defined or
+	 usurped by other modules.  */
+      if (TREE_PUBLIC (decl) && !decl_binds_to_current_def_p (decl))
 	return false;
 
       /* Don't use section anchors for decls that will be placed in a