Cleanup remaining _LIBCPP_HAS_NO_<c++11-feature> usages in container headers

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@300643 91177308-0d34-0410-b5e6-96231b3b80d8

include/__hash_table

@@ -798,8 +798,7 @@ public:
         _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value)
         : __data_(__size, __a) {}
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
-
     _LIBCPP_INLINE_VISIBILITY
     __bucket_list_deallocator(__bucket_list_deallocator&& __x)
         _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
@@ -807,8 +806,7 @@ public:
     {
         __x.size() = 0;
     }
-
+#endif
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
     size_type& size() _NOEXCEPT {return __data_.first();}

include/__split_buffer

@@ -66,7 +66,7 @@ public:
     __split_buffer(size_type __cap, size_type __start, __alloc_rr& __a);
     ~__split_buffer();
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     __split_buffer(__split_buffer&& __c)
         _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
     __split_buffer(__split_buffer&& __c, const __alloc_rr& __a);
@@ -74,7 +74,7 @@ public:
         _NOEXCEPT_((__alloc_traits::propagate_on_container_move_assignment::value &&
                 is_nothrow_move_assignable<allocator_type>::value) ||
                !__alloc_traits::propagate_on_container_move_assignment::value);
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
 
     _LIBCPP_INLINE_VISIBILITY       iterator begin() _NOEXCEPT       {return __begin_;}
     _LIBCPP_INLINE_VISIBILITY const_iterator begin() const _NOEXCEPT {return __begin_;}
@@ -99,14 +99,12 @@ public:
     void shrink_to_fit() _NOEXCEPT;
     void push_front(const_reference __x);
     _LIBCPP_INLINE_VISIBILITY void push_back(const_reference __x);
-#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES)
+#ifndef _LIBCPP_CXX03_LANG
     void push_front(value_type&& __x);
     void push_back(value_type&& __x);
-#if !defined(_LIBCPP_HAS_NO_VARIADICS)
     template <class... _Args>
         void emplace_back(_Args&&... __args);
-#endif  // !defined(_LIBCPP_HAS_NO_VARIADICS)
+#endif  // !defined(_LIBCPP_CXX03_LANG)
-#endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES)
 
     _LIBCPP_INLINE_VISIBILITY void pop_front() {__destruct_at_begin(__begin_+1);}
     _LIBCPP_INLINE_VISIBILITY void pop_back() {__destruct_at_end(__end_-1);}
@@ -343,7 +341,7 @@ __split_buffer<_Tp, _Allocator>::~__split_buffer()
         __alloc_traits::deallocate(__alloc(), __first_, capacity());
 }
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Allocator>
 __split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c)
@@ -405,7 +403,7 @@ __split_buffer<_Tp, _Allocator>::operator=(__split_buffer&& __c)
     return *this;
 }
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Allocator>
 void
@@ -492,7 +490,7 @@ __split_buffer<_Tp, _Allocator>::push_front(const_reference __x)
     --__begin_;
 }
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Allocator>
 void
@@ -524,7 +522,7 @@ __split_buffer<_Tp, _Allocator>::push_front(value_type&& __x)
     --__begin_;
 }
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
@@ -556,7 +554,7 @@ __split_buffer<_Tp, _Allocator>::push_back(const_reference __x)
     ++__end_;
 }
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Allocator>
 void
@@ -588,8 +586,6 @@ __split_buffer<_Tp, _Allocator>::push_back(value_type&& __x)
     ++__end_;
 }
 
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-
 template <class _Tp, class _Allocator>
 template <class... _Args>
 void
@@ -621,9 +617,7 @@ __split_buffer<_Tp, _Allocator>::emplace_back(_Args&&... __args)
     ++__end_;
 }
 
-#endif  // _LIBCPP_HAS_NO_VARIADICS
+#endif  // _LIBCPP_CXX03_LANG
-
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
 template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY

include/__tree

@@ -1105,7 +1105,7 @@ public:
         void __assign_unique(_InputIterator __first, _InputIterator __last);
     template <class _InputIterator>
         void __assign_multi(_InputIterator __first, _InputIterator __last);
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     __tree(__tree&& __t)
         _NOEXCEPT_(
             is_nothrow_move_constructible<__node_allocator>::value &&
@@ -1116,7 +1116,7 @@ public:
             __node_traits::propagate_on_container_move_assignment::value &&
             is_nothrow_move_assignable<value_compare>::value &&
             is_nothrow_move_assignable<__node_allocator>::value);
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif // _LIBCPP_CXX03_LANG
 
     ~__tree();
 
@@ -1675,7 +1675,7 @@ __tree<_Tp, _Compare, _Allocator>::__tree(const __tree& __t)
     __begin_node() = __end_node();
 }
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Compare, class _Allocator>
 __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t)
@@ -1805,7 +1805,7 @@ __tree<_Tp, _Compare, _Allocator>::operator=(__tree&& __t)
     return *this;
 }
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Compare, class _Allocator>
 __tree<_Tp, _Compare, _Allocator>::~__tree()

include/ext/hash_map

@@ -331,7 +331,7 @@ public:
           __second_constructed(false)
         {}
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     __hash_map_node_destructor(__hash_node_destructor<allocator_type>&& __x)
         : __na_(__x.__na_),
@@ -340,7 +340,7 @@ public:
         {
             __x.__value_constructed = false;
         }
-#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#else  // _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     __hash_map_node_destructor(const __hash_node_destructor<allocator_type>& __x)
         : __na_(__x.__na_),
@@ -349,7 +349,7 @@ public:
         {
             const_cast<bool&>(__x.__value_constructed) = false;
         }
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
 
     _LIBCPP_INLINE_VISIBILITY
     void operator()(pointer __p)