1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-isolate-paths" } */
       3  
       4  extern int oof ();
       5  extern int x;
       6  _Bool
       7  gcd_of_steps_may_divide_p ()
       8  {
       9    long cd = 0, val;
      10    if (x)
      11      cd = oof ();
      12    return val % cd == 0;
      13  }
      14  /* { dg-final { scan-tree-dump-times "__builtin_trap" 1 "isolate-paths"} } */
      15