| // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s | |
| // XFAIL: asserts | |
| template <class> struct Pair; | |
| template <class...> struct Tuple { | |
| template <class _Up> Tuple(_Up); | |
| }; | |
| template <typename> struct StatusOr; | |
| template <int> using ElementType = int; | |
| template <int... fields> | |
| using Key = Tuple<ElementType<fields>...>; | |
| template <int... fields> | |
| StatusOr<Pair<Key<fields...>>> Parser(); | |
| struct Helper { Helper(Tuple<>, Tuple<>, int, int); }; | |
| struct D : Helper { | |
| D(Key<> f, int n, int e) : Helper(f, Parser<>, n, e) {} | |
| }; |