/* { dg-do compile } */ /* { dg-options "-O1 -fdump-tree-dom2" } */ int link_error(void); int s(void); int t(int i) { _Bool g = i == 4; int h = g; _Bool j = h; int k = j; _Bool l = k == 0; _Bool o = !l; int m = o; if (m) if (i != 4) return link_error(); return 0; } /* There should be no link_error calls, if there is any, the optimization has failed */ /* { dg-final { scan-tree-dump-times "link_error" 0 "dom2"} } */ /* { dg-final { cleanup-tree-dump "dom2" } } */