1 // PR c++/63528 2 // { dg-do compile { target c++14 } } 3 4 template<class...> 5 struct X 6 { 7 constexpr static bool value = true; 8 }; 9 10 static_assert(X<int>::value, ""); 11 12 template <class... Args> 13 constexpr bool X_v = X<Args...>::value; 14 15 static_assert(X_v<int>, ""); 16