1 // PR c++/79556
2 // { dg-options -std=c++17 }
3 
4 template <auto> struct A;
5 template <auto...> struct B;
6 template <int N, auto Dim, auto... Dims> struct B<N, Dim, Dims...> {
7   static auto a = A<B<Dims...>::value>::value;
8 };
9