1  int
       2  f (foo, bar, com)
       3  {
       4    unsigned align;
       5    if (foo)
       6      return 0;
       7    while (1)
       8      {
       9        switch (bar)
      10  	{
      11  	case 1:
      12  	  if (com != 0)
      13   	    return align;
      14  	  *(char *) 0 = 0;
      15  	}
      16      }
      17  }
      18  
      19  main ()
      20  {
      21    f (0, 1, 1);
      22    exit (0);
      23  }