1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  struct a {
       5    unsigned c : 17;
       6  };
       7  struct a b;
       8  int d(void) {
       9    short e = b.c;
      10    return e ? 0 : b.c;
      11  }