1  /* PR target/63937 */
       2  /* { dg-do compile { target lp64 } } */
       3  /* { dg-options "-O2" } */
       4  
       5  void
       6  foo (char *p)
       7  {
       8    p = __builtin_assume_aligned (p, 64);
       9    __builtin_memset (p, 0, 0x100000001ULL);
      10  }
      11