1  /* { dg-do compile } */
       2  /* { dg-options "-O -floop-nest-optimize" } */
       3  
       4  int pc;
       5  
       6  void
       7  qy (int l9)
       8  {
       9    int tw = 4;
      10    int fb[tw];
      11  
      12    while (l9 < 1)
      13      {
      14        int dr;
      15  
      16        pc = fb[2];
      17        for (dr = 0; dr < tw; ++dr)
      18  	fb[dr] = 0;
      19        ++l9;
      20      }
      21  }