1  /* { dg-do compile } */
       2  /* { dg-require-effective-target vect_int } */
       3  
       4  int
       5  foo (char *a, unsigned n)
       6  {
       7      int i;
       8      a[0] = 0;
       9      for (i = 16; i < n; i++)
      10        a[i] = a[i-16];
      11  }
      12  /* { dg-final { scan-tree-dump "vectorized 1 loops" "vect" } } */