1 // PR c++/63522
2 // { dg-do compile { target c++11 } }
3 
4 template <typename...> struct tuple;
5 template <typename...> void slice();
6 template <int Index, typename...> using slice_result = decltype(slice<Index>);
7 template <typename Tuple, typename... Tuples, int... ElementIndices,
8           typename =
9               typename tuple<slice_result<ElementIndices, Tuples...>,
10                              slice_result<ElementIndices, Tuples...>...>::type> // { dg-error "parameter pack" }
11 void zip_with(Tuple...);
12 decltype(zip_with(0)) d;	// { dg-error "no match" }
13