1  /* { dg-do compile } */
       2  /* { dg-additional-options "-O3" } */
       3  
       4  long a[6];
       5  void d(int c)
       6  {
       7    for (; c; c++)
       8      for (int b = 0; b < 8; b++)
       9        ((char *)&a[c])[b] = c;
      10  }