1  /* { dg-do compile } */
       2  /* { dg-options "-O -fstrict-overflow -ftree-vectorize" } */
       3  
       4  typedef __INTPTR_TYPE__ intptr_t;
       5  
       6  intptr_t
       7  foo (void **p, int i)
       8  {
       9    intptr_t x = 0;
      10    while (i--)
      11      x ^= (intptr_t) p[i];
      12    return x;
      13  }