1  /* { dg-do run } */
       2  /* { dg-additional-options "-O" } */
       3  
       4  unsigned g;
       5  
       6  unsigned
       7  foo (void)
       8  {
       9    unsigned a = !g;
      10    a += !(a % 6);
      11    return a;
      12  }
      13  
      14  int
      15  main ()
      16  {
      17    unsigned x = foo ();
      18    if (x != 1)
      19      __builtin_abort ();
      20    return 0;
      21  }