diff --git a/libcxx/include/__hash_table b/libcxx/include/__hash_table
--- a/libcxx/include/__hash_table
+++ b/libcxx/include/__hash_table
@@ -98,7 +98,15 @@
     typedef _Tp __node_value_type;
 
     size_t            __hash_;
+
+#ifndef _LIBCPP_CXX03_LANG
+    union { __node_value_type __value_; };
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit __hash_node() {}
+#else
     __node_value_type __value_;
+#endif
 };
 
 inline _LIBCPP_INLINE_VISIBILITY
@@ -2453,6 +2461,9 @@
                   "Construct cannot be called with a hash value type");
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
+#ifndef _LIBCPP_CXX03_LANG
+    ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__na, _NodeTypes::__get_ptr(__h->__value_), _VSTD::forward<_Args>(__args)...);
     __h.get_deleter().__value_constructed = true;
     __h->__hash_ = hash_function()(__h->__value_);
@@ -2470,6 +2481,9 @@
                   "Construct cannot be called with a hash value type");
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
+#ifndef _LIBCPP_CXX03_LANG
+    ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__na, _NodeTypes::__get_ptr(__h->__value_),
                              _VSTD::forward<_First>(__f),
                              _VSTD::forward<_Rest>(__rest)...);
diff --git a/libcxx/include/forward_list b/libcxx/include/forward_list
--- a/libcxx/include/forward_list
+++ b/libcxx/include/forward_list
@@ -277,7 +277,14 @@
 {
     typedef _Tp value_type;
 
+#ifndef _LIBCPP_CXX03_LANG
+    union { value_type __value_; };
+
+    _LIBCPP_INLINE_VISIBILITY
+    explicit __forward_list_node() {}
+#else
     value_type __value_;
+#endif
 };
 
 
@@ -904,6 +911,9 @@
                                                              __p = __p->__next_as_begin())
         {
             __h.reset(__node_traits::allocate(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+            ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
             __node_traits::construct(__a, _VSTD::addressof(__h->__value_));
             __h->__next_ = nullptr;
             __p->__next_ = __h.release();
@@ -926,6 +936,9 @@
                                                              __p = __p->__next_as_begin())
         {
             __h.reset(__node_traits::allocate(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+            ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
             __node_traits::construct(__a, _VSTD::addressof(__h->__value_));
             __h->__next_ = nullptr;
             __p->__next_ = __h.release();
@@ -1129,6 +1142,9 @@
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _Dp;
     unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+    ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__a, _VSTD::addressof(__h->__value_),
                                   _VSTD::forward<_Args>(__args)...);
     __h->__next_ = base::__before_begin()->__next_;
@@ -1145,6 +1161,9 @@
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _Dp;
     unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+            ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__a, _VSTD::addressof(__h->__value_), _VSTD::move(__v));
     __h->__next_ = base::__before_begin()->__next_;
     base::__before_begin()->__next_ = __h.release();
@@ -1159,6 +1178,9 @@
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _Dp;
     unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+            ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
     __h->__next_ = base::__before_begin()->__next_;
     base::__before_begin()->__next_ = __h.release();
@@ -1186,6 +1208,9 @@
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _Dp;
     unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+    ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__a, _VSTD::addressof(__h->__value_),
                                   _VSTD::forward<_Args>(__args)...);
     __h->__next_ = __r->__next_;
@@ -1201,6 +1226,9 @@
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _Dp;
     unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+    ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__a, _VSTD::addressof(__h->__value_), _VSTD::move(__v));
     __h->__next_ = __r->__next_;
     __r->__next_ = __h.release();
@@ -1217,6 +1245,9 @@
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _Dp;
     unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+    ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
     __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
     __h->__next_ = __r->__next_;
     __r->__next_ = __h.release();
@@ -1234,6 +1265,9 @@
         __node_allocator& __a = base::__alloc();
         typedef __allocator_destructor<__node_allocator> _Dp;
         unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+        ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
         __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
         __node_pointer __first = __h.release();
         __node_pointer __last = __first;
@@ -1244,6 +1278,9 @@
             for (--__n; __n != 0; --__n, __last = __last->__next_)
             {
                 __h.reset(__node_traits::allocate(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+                ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
                 __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
                 __last->__next_ = __h.release();
             }
@@ -1284,6 +1321,9 @@
         __node_allocator& __a = base::__alloc();
         typedef __allocator_destructor<__node_allocator> _Dp;
         unique_ptr<__node, _Dp> __h(__node_traits::allocate(__a, 1), _Dp(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+        ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
         __node_traits::construct(__a, _VSTD::addressof(__h->__value_), *__f);
         __node_pointer __first = __h.release();
         __node_pointer __last = __first;
@@ -1294,6 +1334,9 @@
             for (++__f; __f != __l; ++__f, ((void)(__last = __last->__next_)))
             {
                 __h.reset(__node_traits::allocate(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+                ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
                 __node_traits::construct(__a, _VSTD::addressof(__h->__value_), *__f);
                 __last->__next_ = __h.release();
             }
@@ -1381,6 +1424,9 @@
                                                          __ptr = __ptr->__next_as_begin())
             {
                 __h.reset(__node_traits::allocate(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+                ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
                 __node_traits::construct(__a, _VSTD::addressof(__h->__value_));
                 __h->__next_ = nullptr;
                 __ptr->__next_ = __h.release();
@@ -1413,6 +1459,9 @@
                                                          __ptr = __ptr->__next_as_begin())
             {
                 __h.reset(__node_traits::allocate(__a, 1));
+#ifndef _LIBCPP_CXX03_LANG
+                ::new ((void*)_VSTD::addressof(*__h)) __node();
+#endif
                 __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
                 __h->__next_ = nullptr;
                 __ptr->__next_ = __h.release();
diff --git a/libcxx/include/list b/libcxx/include/list
--- a/libcxx/include/list
+++ b/libcxx/include/list
@@ -270,11 +270,20 @@
 struct __list_node
     : public __list_node_base<_Tp, _VoidPtr>
 {
+#ifndef _LIBCPP_CXX03_LANG
+    union { _Tp __value_; };
+#else
     _Tp __value_;
+#endif
 
     typedef __list_node_base<_Tp, _VoidPtr> __base;
     typedef typename __base::__link_pointer __link_pointer;
 
+#ifndef _LIBCPP_CXX03_LANG
+    _LIBCPP_INLINE_VISIBILITY
+    explicit __list_node() {}
+#endif
+
     _LIBCPP_INLINE_VISIBILITY
     __link_pointer __as_link() {
         return static_cast<__link_pointer>(__base::__self());
@@ -1113,6 +1122,9 @@
     _LIBCPP_INLINE_VISIBILITY
     __hold_pointer __allocate_node(__node_allocator& __na) {
       __node_pointer __p = __node_alloc_traits::allocate(__na, 1);
+#ifndef _LIBCPP_CXX03_LANG
+      ::new ((void*)_VSTD::addressof(*__p)) __node();
+#endif
       __p->__prev_ = nullptr;
       return __hold_pointer(__p, __node_destructor(__na, 1));
     }