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