1 /* { dg-do compile } */ 2 /* { dg-options "-O1 -fdump-tree-optimized" } */ 3 f(_Bool x)4int f(_Bool x) 5 { 6 return (x != 1); 7 } 8 9 /* There should be no != 1 which is produced by the front-end as 10 bool_var != 1 is the same as !bool_var. */ 11 /* { dg-final { scan-tree-dump-times "!= 1" 0 "optimized"} } */ 12 /* { dg-final { scan-tree-dump-times "~x" 1 "optimized"} } */ 13 14