1 // PR c++/66421 2 // { dg-do compile { target c++11 } } 3 4 template<typename... T> struct tuple { }; 5 make_tuple(T &&...)6template<typename... T> tuple<T...> make_tuple(T&&...) { return {}; } 7 8 template <typename... Params> foo(Params...params)9void foo(Params... params) { 10 auto t = make_tuple((int)params...); 11 } 12 13 template <typename... Params> bar(Params...params)14void bar(Params... params) { 15 tuple<decltype((int)params)...> t = make_tuple((int)params...); 16 } 17 main()18int main() { 19 foo(1,2,3); 20 bar(1,2,3); 21 } 22