1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-forwprop1" }  */
3 
4 _Bool
foo(_Bool a,_Bool b,_Bool c)5 foo (_Bool a, _Bool b, _Bool c)
6 {
7   _Bool r1 = a == 0 & b != 0;
8   _Bool r2 = b != 0 & c == 0;
9   return (r1 == 0 & r2 == 0);
10 }
11 
12 /* { dg-final { scan-tree-dump-times " == " 0 "forwprop1" } } */
13 /* { dg-final { scan-tree-dump-times " != " 0 "forwprop1" } } */
14