1namespace std {
2template <typename _Tp, typename _Alloc = int>
3struct vector {
4  static void func() { vector *i, *j; i - j; }
5};
6
7struct bit_iterator { ~bit_iterator() {} };
8
9inline void operator-(int __x, const bit_iterator &__y) {
10}
11
12template <typename _Alloc>
13struct vector<bool, _Alloc> : bit_iterator {
14  typedef bit_iterator iterator;
15};
16
17} // namespace std
18