1  /* PR tree-optimization/64807 */
       2  /* { dg-do run { target int128 } } */
       3  /* { dg-options "-O2" } */
       4  
       5  __uint128_t
       6  foo (void)
       7  {
       8    __uint128_t a = -1;
       9    __uint128_t b = -1;
      10    return a / b;
      11  }
      12  
      13  int
      14  main ()
      15  {
      16    if (foo () != 1)
      17      __builtin_abort ();
      18    return 0;
      19  }