1  /* PR tree-optimization/105984 */
       2  
       3  unsigned long long g;
       4  
       5  static inline unsigned long long
       6  foo (unsigned char c)
       7  {
       8    g -= __builtin_mul_overflow_p (4, (unsigned char) ~c, 0);
       9    return g;
      10  }
      11  
      12  int
      13  main ()
      14  {
      15    unsigned long long x = foo (1);
      16    if (x != 0)
      17      __builtin_abort ();
      18    return 0;
      19  }