// PR c++/60328
// { dg-require-effective-target c++11 }

template <class _T, class... _Rest>
struct Foo
{
  template <class _TT, class... _RR>
  using Bar = Foo<_TT, _RR...>;

  using Normal = Foo<_Rest...>;
  using Fail = Bar<_Rest...>;
};