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// PR c++/69958
// { dg-do compile { target c++11 } }
typedef decltype(sizeof(int)) size_t;
template <typename...Ts>
struct list { };
template <size_t N>
struct size { };
template <unsigned...Ts>
using size_for = size<sizeof...(Ts)>;
template<class T, class U> struct assert_same;
template<class T> struct assert_same<T,T> {};
template <typename T, unsigned...Ts>
using wrapped = list<T, size_for<0, Ts...>>;
// This assertion fails (produces size<4>)
assert_same<
list<float, size<5>>,
wrapped<float,2,3,4,5>> a3;
template <typename T, unsigned...Ts>
using wrapped2 = list<T, size_for<Ts..., 0>>;
// This assertion fails (produces size<2>)
assert_same<
list<float, size<5>>,
wrapped2<float,2,3,4,5>> a4;
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