[PATCH] Fixup testcase for PR47278

[Richard Guenther]

I forgot to check for visibility support.  I've also copied the
testcases to trunk.

Richard.

2011-03-11  Richard Guenther  <rguent...@suse.de>

        PR tree-optimization/47278
        * gcc.dg/torture/pr47278-1.c: Require visibility support.
        * gcc.dg/torture/pr47278-2.c: Likewise.

Index: gcc/testsuite/gcc.dg/torture/pr47278-1.c
===================================================================
--- gcc/testsuite/gcc.dg/torture/pr47278-1.c    (revision 170867)
+++ gcc/testsuite/gcc.dg/torture/pr47278-1.c    (working copy)
@@ -1,4 +1,5 @@
 /* { dg-do run } */
+/* { dg-require-visibility "" } */
 /* { dg-additional-sources "pr47278-2.c" } */
 
 int foo (void) { return 1; }
Index: gcc/testsuite/gcc.dg/torture/pr47278-2.c
===================================================================
--- gcc/testsuite/gcc.dg/torture/pr47278-2.c    (revision 170867)
+++ gcc/testsuite/gcc.dg/torture/pr47278-2.c    (working copy)
@@ -1,3 +1,5 @@
+/* { dg-require-visibility "" } */
+
 extern void abort (void);
 
 int __attribute__((weak,visibility("hidden"))) foo (void)