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