1 /* { dg-do compile } */ 2 /* { dg-require-weak "" } */ 3 /* { dg-require-alias "" } */ 4 /* { dg-options "-O2 -fdump-tree-optimized" } */ 5 static int dummy = 0; 6 extern int foo __attribute__((__weak__, __alias__("dummy"))); bar()7int bar() { if (foo) return 1; return 0; } 8 /* { dg-final { scan-tree-dump-not "return 0" "optimized"} } */ 9