1  /* { dg-do run } */
       2  /* { dg-options "-O3 -fno-tree-loop-vectorize -fdump-tree-pcom-details" } */
       3  
       4  int a, b, c, d[6], e = 3, f;
       5  
       6  void abort (void);
       7  void fn1 ()
       8  {
       9    for (b = 1; b < 5; b++)
      10      {
      11        for (c = 0; c < 5; c++)
      12          d[b] = e;
      13        if (a)
      14          f++;
      15        d[b + 1] = 1;
      16      }
      17  }
      18  
      19  int main ()
      20  {
      21    fn1 ();
      22    if (d[0] != 0 || d[1] != 3 || d[2] != 3
      23        || d[3] != 3 || d[4] != 3 || d[5] != 1)
      24      abort ();
      25  
      26    return 0;
      27  }
      28  /* { dg-final { scan-tree-dump-times "Store-stores chain" 1 "pcom" } } */