1 // PR c++/48322 2 // { dg-do compile { target c++11 } } 3 4 template <class... T> struct tuple; 5 template <class T> struct tuple<T> { T t; }; 6 7 template <class T, class U> struct pair; 8 template<> struct pair<int,double> { }; 9 10 template <class... Ts> 11 struct A 12 { 13 template <class... Us, 14 class V = tuple<pair<Ts,Us>...> > 15 static void f() 16 { 17 V v; 18 } 19 }; 20 21 int main() 22 { 23 A<int>::f<double>(); 24 } 25