1 // PR c++/79653
2 // { dg-do compile { target c++11 } }
3 
4 template <typename... A> struct outer {
alignasouter5   template <typename... B> struct alignas(alignof(A) * alignof(B)...) inner {}; // { dg-error "mismatched argument pack lengths" }
6 };
7 outer<int>::inner<> mismatched_packs;
8