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// { dg-options -std=c++17 }
#include <tuple>
template <typename, typename> struct same_type;
template <typename T> struct same_type<T, T> {};
int main() {
int i;
std::tuple<int,int&,int&&> tuple = { 1, i, 1 };
auto &[v, r, rr] = tuple;
same_type<decltype(v), int>{};
same_type<decltype(r), int&>{};
same_type<decltype(rr), int&&>{};
}
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