1  /* PR target/66112 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2" } */
       4  
       5  unsigned int
       6  foo (long long a, long long b)
       7  {
       8    unsigned int res;
       9    a &= ~0U;
      10    b &= ~0U;
      11    if (__builtin_mul_overflow (a, b, &res))
      12      res = 0x123U;
      13    return res;
      14  }
      15  
      16  /* { dg-final { scan-assembler "jn?o\[ \t\]" } } */