1  /* { dg-do run } */
       2  /* { dg-options "-O1 -floop-nest-optimize" } */
       3  
       4  extern void abort (void);
       5  
       6  int yu[4][1] = { { 1 }, { 2 }, { 3 }, { 4 } };
       7  
       8  static void __attribute__((noinline,noclone))
       9  foo (void)
      10  {
      11    int zh, ro;
      12  
      13    for (zh = 0; zh < 2; ++zh)
      14      for (ro = 0; ro < 3; ++ro)
      15        yu[ro][0] = yu[zh + 1][0];
      16  }
      17  
      18  int
      19  main (void)
      20  {
      21    foo ();
      22  
      23    if (yu[0][0] != 2
      24        || yu[1][0] != 2
      25        || yu[2][0] != 2
      26        || yu[3][0] != 4)
      27      abort ();
      28  
      29    return 0;
      30  }