1  /* { dg-do run } */
       2  /* { dg-additional-options "-Wno-pedantic" } */
       3  
       4  __int128 one = 1;
       5  __int128 min_one = -1;
       6  __int128 zero = 0;
       7  
       8  int
       9  main (void)
      10  {
      11    if (zero - one != min_one)
      12      __builtin_abort ();
      13  
      14    return 0;
      15  }