1 /* { dg-do run } */ 2 /* { dg-require-weak "" } */ 3 /* { dg-require-visibility "" } */ 4 /* { dg-options "-O2" } */ 5 /* { dg-additional-sources "attr-weak-hidden-1a.c" } */ foo(void)6int __attribute__((visibility("hidden"))) foo (void) { return 0; } 7