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