1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  void __assert_fail();
       4  struct a {
       5    int b;
       6    int c;
       7    int d;
       8    int : 2;
       9  };
      10  int e, f;
      11  struct a g, i;
      12  const struct a h;
      13  int main() {
      14    struct a j;
      15    g = h;
      16    if (e)
      17      __assert_fail();
      18    if (f)
      19      j = h;
      20    i = j;
      21    return 0;
      22  }