1  /* PR tree-optimization/83338 */
       2  /* { dg-do compile } */
       3  
       4  void
       5  foo (char **p, char **q, __PTRDIFF_TYPE__ *r)
       6  {
       7    int i;
       8    for (i = 0; i < 1024; i++)
       9      r[i] = p[i] - q[i];
      10  }