re PR c/32511 (GCC rejects inline+weak function)

2011-01-12  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32511
	* c-common.c (handle_weak_attribute): Warn instead of error
	on declaring an inline function weak.

	* gcc.dg/attr-weak-1.c: Adjust.

From-SVN: r168652

gcc/c-family/ChangeLog

+2011-01-12  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/32511
+	* c-common.c (handle_weak_attribute): Warn instead of error
+	on declaring an inline function weak.
+
 2011-01-05  Tom Tromey  <tromey@redhat.com>
 
 	* c-common.h (lvalue_error): Update.

gcc/c-family/c-common.c

@@ -6656,7 +6656,7 @@ handle_weak_attribute (tree *node, tree name,
   if (TREE_CODE (*node) == FUNCTION_DECL
       && DECL_DECLARED_INLINE_P (*node))
     {
-      error ("inline function %q+D cannot be declared weak", *node);
+      warning (OPT_Wattributes, "inline function %q+D declared weak", *node);
       *no_add_attrs = true;
     }
   else if (lookup_attribute ("ifunc", DECL_ATTRIBUTES (*node)))

gcc/testsuite/ChangeLog

+2011-01-12  Richard Guenther  <rguenther@suse.de>
+
+	PR middle-end/32511
+	* gcc.dg/attr-weak-1.c: Adjust.
+
 2011-01-11  Paul Thomas  <pault@gcc.gnu.org>
 
 	PR fortran/47051

gcc/testsuite/gcc.dg/attr-weak-1.c

 /* { dg-do compile } */
 
-__inline void foo(void) __attribute__((weak));  /* { dg-error "inline.*weak" } */
+__inline void foo(void) __attribute__((weak));  /* { dg-warning "inline.*weak" } */