template <typename> struct pair {};
struct A {
using iterator = pair<char *>;
pair<char *> a_[];
};
struct B {
using iterator = A::iterator;
iterator begin();
A *tag_set_;
};
B b;
int main() {};
template <typename> struct pair {};
struct A {
using iterator = pair<char *>;
pair<char *> a_[];
};
struct B {
using iterator = A::iterator;
iterator begin();
A *tag_set_;
};
B b;
int main() {};