1  /* { dg-do compile } */
       2  
       3  extern inline __attribute__ ((always_inline)) void *
       4  memmove (void *dest, const void *src, __SIZE_TYPE__ len)
       5  {
       6    return __builtin___memmove_chk (dest, src, len,
       7  				  __builtin_object_size (dest, 0));
       8  }
       9  
      10  void
      11  foo (void)
      12  {
      13    char a[64], *b;
      14    for (;;)
      15      {
      16        memmove (a, b, 0);
      17        b = a;
      18      }
      19  }