1  /* { dg-do run } */
       2  
       3  extern void abort (void);
       4  struct X {
       5  #if (__SIZEOF_LONG__ != __SIZEOF_INT__) && (__SIZEOF_LONG__ == 8)
       6    unsigned long i : 33;
       7  #else
       8    unsigned long i;
       9  #endif
      10  };
      11  unsigned long __attribute__((noinline))
      12  foo (struct X *p)
      13  {
      14    return ~p->i;
      15  }
      16  int main()
      17  {
      18    struct X x;
      19    x.i = -1;
      20    if (foo (&x) != 0)
      21      abort ();
      22    return 0;
      23  }