1  /* PR target/82274 */
       2  /* { dg-do run } */
       3  /* { dg-options "-O2" } */
       4  
       5  int
       6  main ()
       7  {
       8  #ifdef __SIZEOF_INT128__
       9    __int128 m = -(((__int128) 1) << (__CHAR_BIT__ * __SIZEOF_INT128__ / 2));
      10    volatile __int128 mv = m;
      11    __int128 r;
      12  #else
      13    long long m = -(1LL << (__CHAR_BIT__ * __SIZEOF_LONG_LONG__ / 2));
      14    volatile long long mv = m;
      15    long long r;
      16  #endif
      17    if (!__builtin_mul_overflow (mv, mv, &r))
      18      __builtin_abort ();
      19    if (!__builtin_mul_overflow_p (mv, mv, r))
      20      __builtin_abort ();
      21    if (!__builtin_mul_overflow (m, m, &r))
      22      __builtin_abort ();
      23    if (!__builtin_mul_overflow_p (m, m, r))
      24      __builtin_abort ();
      25    return 0;
      26  }