1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized" } */
3 
4 int
foo(_Bool a,_Bool b)5 foo (_Bool a, _Bool b)
6 {
7   return (a ^ (a == 0)) | ((b == 0) ^ b);
8 }
9 
10 /* { dg-final { scan-tree-dump-times "return 1" 1 "optimized" } } */
11 /* { dg-final { cleanup-tree-dump "optimized" } } */
12