/* { dg-do compile } */ /* { dg-options "-O2 -fdump-tree-optimized" } */ void eliminate_me(); void f(int x,int y){ if (y <= 0) __builtin_unreachable(); x += y; if (x == -__INT_MAX__ - 1) eliminate_me (); } /* { dg-final { scan-tree-dump-not "eliminate_me" "optimized" } } */