1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -std=c99" } */
       3  #if(__SIZEOF_INT__ >= 4)
       4  char heap[50000];
       5  #else
       6  char heap[32000];
       7  #endif
       8  int
       9  main ()
      10  {
      11    for (unsigned ix = sizeof (heap); ix--;)
      12      heap[ix] = ix;
      13    return 0;
      14  }