1  /* PR tree-optimization/86844 */
       2  
       3  __attribute__((noipa)) void
       4  foo (int *p)
       5  {
       6    *p = 0;
       7    *((char *)p + 3) = 1;
       8    *((char *)p + 1) = 2;
       9    *((char *)p + 2) = *((char *)p + 6);
      10  }
      11  
      12  int
      13  main ()
      14  {
      15    int a[2] = { -1, 0 };
      16    if (sizeof (int) != 4)
      17      return 0;
      18    ((char *)a)[6] = 3;
      19    foo (a);
      20    if (((char *)a)[0] != 0 || ((char *)a)[1] != 2
      21        || ((char *)a)[2] != 3 || ((char *)a)[3] != 1)
      22      __builtin_abort ();
      23    return 0;
      24  }