Move the default template arguments into the forward declarations for the container adapters: stack and queue. References PR#22605. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@229708 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/stack b/include/stack index 30909c1..2992b09 100644 --- a/include/stack +++ b/include/stack 
@@ -91,7 +91,7 @@    _LIBCPP_BEGIN_NAMESPACE_STD   -template <class _Tp, class _Container> class _LIBCPP_TYPE_VIS_ONLY stack; +template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TYPE_VIS_ONLY stack;    template <class _Tp, class _Container>  _LIBCPP_INLINE_VISIBILITY @@ -103,7 +103,7 @@  bool  operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);   -template <class _Tp, class _Container = deque<_Tp> > +template <class _Tp, class _Container /*= deque<_Tp>*/>  class _LIBCPP_TYPE_VIS_ONLY stack  {  public: