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