1// PR c++/44587
2// { dg-do run }
3
4template <const char *N> struct A { static const char *p; };
5template <const char *N> const char *A<N>::p = N;
6template <class T> struct B { static const char c[1]; typedef A<B<T>::c> C; };
7template <class T> const char B<T>::c[1] = "";
8template <class T> struct D { static const char c[1]; typedef A<c> C; };
9template <class T> const char D<T>::c[1] = "";
10
11template <int& I> struct E { static int *ip; };
12template <int& I> int* E<I>::ip = &I;
13template <class T> struct F { static int i; typedef E<F<T>::i> C; };
14template <class T> int F<T>::i;
15template <class T> struct G { static int i; typedef E<i> C; };
16template <class T> int G<T>::i;
17
18#define AS(X) if (!(X)) return 1;
19int main()
20{
21  AS(B<int>::C::p == B<int>::c);
22  AS(B<float>::C::p == B<float>::c);
23  AS(B<float>::C::p != B<int>::c);
24  AS(D<int>::C::p == D<int>::c);
25  AS(D<float>::C::p == D<float>::c);
26  AS(D<float>::C::p != D<int>::c);
27}
28