1  /* PR tree-optimization/88709 */
       2  /* { dg-do run } */
       3  /* { dg-require-effective-target store_merge } */
       4  /* { dg-options "-O2 -fdump-tree-store-merging-details" } */
       5  /* { dg-final { scan-tree-dump "New sequence of \[12] stores to replace old one of 3 stores" "store-merging" } } */
       6  
       7  struct S { char buf[8]; };
       8  
       9  __attribute__((noipa)) void
      10  bar (struct S *x)
      11  {
      12    int i;
      13    for (i = 0; i < 8; i++)
      14      if (x->buf[i] != ((i == 1) + (i == 3) * 2))
      15        __builtin_abort ();
      16  }
      17  
      18  int
      19  main ()
      20  {
      21    __attribute__((aligned(8))) struct S s = {};
      22    s.buf[1] = 1;
      23    s.buf[3] = 2;
      24    bar (&s);
      25    return 0;
      26  }