1 /* { dg-do compile } */
2 /* { dg-options "-O1 -fdump-tree-optimized" } */
3 
f(_Bool x)4 int f(_Bool x)
5 {
6   int y;
7   if (x != 1)
8     y = 0;
9   else
10     y = 1;
11   return y;
12 }
13 
14 /* There should be no != 1. Fold changes x != 1 to ! x.  */
15 /* { dg-final { scan-tree-dump-times "!= 1" 0 "optimized" } } */
16 
17