1  
       2  int a, b, d;
       3  short c;
       4  
       5  int
       6  foo ()
       7  {
       8    for (b = 0; b; b = a)
       9      for (c = 18; c < 10; c++)
      10        {
      11  	d = c;
      12  	if (d)
      13  	  return 0;
      14        }
      15    return 0;
      16  }