1 /* { dg-do compile } */ 2 /* { dg-options "-O1 -fdump-tree-optimized" } */ 3 f(_Bool x)4int f(_Bool x) 5 { 6 int y; 7 if (!x) 8 y = 0; 9 else 10 y = 1; 11 return y; 12 } 13 14 /* There should be no == 0. Though PHI-OPT or invert_truth does not 15 fold its tree forwprop is able to clean up the mess. */ 16 /* { dg-final { scan-tree-dump-times "== 0" 0 "optimized" } } */ 17 18