1  int
       2  sub1 (int i, int j)
       3  {
       4    typedef int c[i+2];
       5    int x[10], y[10];
       6  
       7    if (j == 2)
       8      {
       9        memcpy (x, y, 10 * sizeof (int));
      10        return sizeof (c);
      11      }
      12    else
      13      return sizeof (c) * 3;
      14  }
      15  
      16  int
      17  main ()
      18  {
      19    if (sub1 (20, 3) != 66 * sizeof (int))
      20      abort ();
      21  
      22    return 0;
      23  }