/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ int foo (long a, unsigned long b) { return (a & (a == 0)) | (b & !b); } /* { dg-final { scan-tree-dump-times "return 0" 1 "optimized" } } */ /* { dg-final { cleanup-tree-dump "optimized" } } */