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