1  void put_field (unsigned int start, unsigned int len)
       2  {
       3    int cur_bitshift = ((start + len) % 8) - 8;
       4    if (cur_bitshift > -8)
       5      exit (0);
       6  }
       7  
       8  int
       9  main ()
      10  {
      11    put_field (0, 1);
      12    abort ();
      13  }