1  /* PR tree-optimization/86844 */
       2  /* { dg-do compile } */
       3  /* { dg-require-effective-target store_merge } */
       4  /* { dg-options "-O2 -fdump-tree-store-merging" } */
       5  
       6  void
       7  foo (int *p)
       8  {
       9    *p = 0;
      10    int one = 1;
      11    __builtin_memcpy ((char *) p + 3, &one, sizeof (int));
      12    *((char *)p + 4) = *((char *)p + 36);
      13    *((char *)p + 1) = 2;
      14  }
      15  
      16  /* { dg-final { scan-tree-dump-not "Merging successful" "store-merging" } } */