1 // PR c++/60328
2 // { dg-require-effective-target c++11 }
3 
4 template <class _T, class... _Rest>
5 struct Foo
6 {
7   template <class _TT, class... _RR>
8   using Bar = Foo<_TT, _RR...>;
9 
10   using Normal = Foo<_Rest...>;
11   using Fail = Bar<_Rest...>;
12 };
13