1 // Testcase from P0292R2
2 // { dg-do compile { target c++11 } }
5 template<typename T, typename ... Rest> void g(T&& p, Rest&& ...rs) {
7 if constexpr (sizeof...(rs) > 0) // { dg-warning "constexpr" "" { target c++14_down } }
8 g(rs...); // never instantiated with an empty argument list.