Replace _LIBCPP_HAS_NO_<C++03 feature> with _LIBCPP_CXX03_LANG in <list>

llvm-svn: 300414

10 files changed, 62 insertions, 100 deletions

diff --git a/libcxx/include/list b/libcxx/include/list
index fa148db516b..5e76d110337 100644
--- a/libcxx/include/list
+++ b/libcxx/include/list
@@ -860,11 +860,10 @@ public:
     list(const list& __c, const allocator_type& __a);
     _LIBCPP_INLINE_VISIBILITY
     list& operator=(const list& __c);
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
+#ifndef _LIBCPP_CXX03_LANG
     list(initializer_list<value_type> __il);
     list(initializer_list<value_type> __il, const allocator_type& __a);
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
     _LIBCPP_INLINE_VISIBILITY
     list(list&& __c)
         _NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value);
@@ -875,22 +874,20 @@ public:
         _NOEXCEPT_(
             __node_alloc_traits::propagate_on_container_move_assignment::value &&
             is_nothrow_move_assignable<__node_allocator>::value);
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
+
     _LIBCPP_INLINE_VISIBILITY
     list& operator=(initializer_list<value_type> __il)
         {assign(__il.begin(), __il.end()); return *this;}
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
+
+    _LIBCPP_INLINE_VISIBILITY
+    void assign(initializer_list<value_type> __il)
+        {assign(__il.begin(), __il.end());}
+#endif  // _LIBCPP_CXX03_LANG
 
     template <class _InpIter>
         void assign(_InpIter __f, _InpIter __l,
              typename enable_if<__is_input_iterator<_InpIter>::value>::type* = 0);
     void assign(size_type __n, const value_type& __x);
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
-    _LIBCPP_INLINE_VISIBILITY
-    void assign(initializer_list<value_type> __il)
-        {assign(__il.begin(), __il.end());}
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 
     _LIBCPP_INLINE_VISIBILITY
     allocator_type get_allocator() const _NOEXCEPT;
@@ -964,10 +961,10 @@ public:
         return base::__end_.__prev_->__as_node()->__value_;
     }
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     void push_front(value_type&& __x);
     void push_back(value_type&& __x);
-#ifndef _LIBCPP_HAS_NO_VARIADICS
+
     template <class... _Args>
 #if _LIBCPP_STD_VER > 14
        reference emplace_front(_Args&&... __args);
@@ -982,9 +979,13 @@ public:
 #endif
     template <class... _Args>
         iterator emplace(const_iterator __p, _Args&&... __args);
-#endif  // _LIBCPP_HAS_NO_VARIADICS
+
     iterator insert(const_iterator __p, value_type&& __x);
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    _LIBCPP_INLINE_VISIBILITY
+    iterator insert(const_iterator __p, initializer_list<value_type> __il)
+        {return insert(__p, __il.begin(), __il.end());}
+#endif  // _LIBCPP_CXX03_LANG
 
     void push_front(const value_type& __x);
     void push_back(const value_type& __x);
@@ -994,11 +995,6 @@ public:
     template <class _InpIter>
         iterator insert(const_iterator __p, _InpIter __f, _InpIter __l,
              typename enable_if<__is_input_iterator<_InpIter>::value>::type* = 0);
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
-    _LIBCPP_INLINE_VISIBILITY
-    iterator insert(const_iterator __p, initializer_list<value_type> __il)
-        {return insert(__p, __il.begin(), __il.end());}
-#endif   // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 
     _LIBCPP_INLINE_VISIBILITY
     void swap(list& __c)
@@ -1022,22 +1018,18 @@ public:
     void resize(size_type __n, const value_type& __x);
 
     void splice(const_iterator __p, list& __c);
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     void splice(const_iterator __p, list&& __c) {splice(__p, __c);}
-#endif
-    void splice(const_iterator __p, list& __c, const_iterator __i);
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     void splice(const_iterator __p, list&& __c, const_iterator __i)
         {splice(__p, __c, __i);}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    void splice(const_iterator __p, list& __c, const_iterator __f, const_iterator __l);
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     void splice(const_iterator __p, list&& __c, const_iterator __f, const_iterator __l)
         {splice(__p, __c, __f, __l);}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif
+    void splice(const_iterator __p, list& __c, const_iterator __i);
+    void splice(const_iterator __p, list& __c, const_iterator __f, const_iterator __l);
 
     void remove(const value_type& __x);
     template <class _Pred> void remove_if(_Pred __pred);
@@ -1047,17 +1039,17 @@ public:
         void unique(_BinaryPred __binary_pred);
     _LIBCPP_INLINE_VISIBILITY
     void merge(list& __c);
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
     _LIBCPP_INLINE_VISIBILITY
     void merge(list&& __c) {merge(__c);}
-#endif
-    template <class _Comp>
-        void merge(list& __c, _Comp __comp);
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
     template <class _Comp>
     _LIBCPP_INLINE_VISIBILITY
         void merge(list&& __c, _Comp __comp) {merge(__c, __comp);}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif
+    template <class _Comp>
+        void merge(list& __c, _Comp __comp);
+
     _LIBCPP_INLINE_VISIBILITY
     void sort();
     template <class _Comp>
@@ -1146,7 +1138,7 @@ list<_Tp, _Alloc>::list(size_type __n)
     __get_db()->__insert_c(this);
 #endif
     for (; __n > 0; --__n)
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
         emplace_back();
 #else
         push_back(value_type());
@@ -1161,11 +1153,7 @@ list<_Tp, _Alloc>::list(size_type __n, const allocator_type& __a) : base(__a)
     __get_db()->__insert_c(this);
 #endif
     for (; __n > 0; --__n)
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
         emplace_back();
-#else
-        push_back(value_type());
-#endif
 }
 #endif
 
@@ -1239,7 +1227,7 @@ list<_Tp, _Alloc>::list(const list& __c, const allocator_type& __a)
         push_back(*__i);
 }
 
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
+#ifndef _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Alloc>
 list<_Tp, _Alloc>::list(initializer_list<value_type> __il, const allocator_type& __a)
@@ -1264,23 +1252,6 @@ list<_Tp, _Alloc>::list(initializer_list<value_type> __il)
         push_back(*__i);
 }
 
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
-
-template <class _Tp, class _Alloc>
-inline
-list<_Tp, _Alloc>&
-list<_Tp, _Alloc>::operator=(const list& __c)
-{
-    if (this != &__c)
-    {
-        base::__copy_assign_alloc(__c);
-        assign(__c.begin(), __c.end());
-    }
-    return *this;
-}
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
 template <class _Tp, class _Alloc>
 inline
 list<_Tp, _Alloc>::list(list&& __c)
@@ -1346,7 +1317,20 @@ list<_Tp, _Alloc>::__move_assign(list& __c, true_type)
     splice(end(), __c);
 }
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
+
+template <class _Tp, class _Alloc>
+inline
+list<_Tp, _Alloc>&
+list<_Tp, _Alloc>::operator=(const list& __c)
+{
+    if (this != &__c)
+    {
+        base::__copy_assign_alloc(__c);
+        assign(__c.begin(), __c.end());
+    }
+    return *this;
+}
 
 template <class _Tp, class _Alloc>
 template <class _InpIter>
@@ -1576,7 +1560,7 @@ list<_Tp, _Alloc>::push_back(const value_type& __x)
     __hold.release();
 }
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#ifndef _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Alloc>
 void
@@ -1604,8 +1588,6 @@ list<_Tp, _Alloc>::push_back(value_type&& __x)
     __hold.release();
 }
 
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-
 template <class _Tp, class _Alloc>
 template <class... _Args>
 #if _LIBCPP_STD_VER > 14
@@ -1677,8 +1659,6 @@ list<_Tp, _Alloc>::emplace(const_iterator __p, _Args&&... __args)
 #endif
 }
 
-#endif  // _LIBCPP_HAS_NO_VARIADICS
-
 template <class _Tp, class _Alloc>
 typename list<_Tp, _Alloc>::iterator
 list<_Tp, _Alloc>::insert(const_iterator __p, value_type&& __x)
@@ -1704,7 +1684,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, value_type&& __x)
 #endif
 }
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#endif  // _LIBCPP_CXX03_LANG
 
 template <class _Tp, class _Alloc>
 void
diff --git a/libcxx/test/std/containers/sequences/list/list.cons/assign_initializer_list.pass.cpp b/libcxx/test/std/containers/sequences/list/list.cons/assign_initializer_list.pass.cpp
index 9b2c6d68cbe..4704cf40aaf 100644
--- a/libcxx/test/std/containers/sequences/list/list.cons/assign_initializer_list.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.cons/assign_initializer_list.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // void assign(initializer_list<value_type> il);
@@ -18,7 +20,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     {
     std::list<int> d;
     d.assign({3, 4, 5, 6});
@@ -29,7 +30,6 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#if TEST_STD_VER >= 11
     {
     std::list<int, min_allocator<int>> d;
     d.assign({3, 4, 5, 6});
@@ -40,6 +40,4 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.cons/assign_move.pass.cpp b/libcxx/test/std/containers/sequences/list/list.cons/assign_move.pass.cpp
index 2f863c6169f..eec21420517 100644
--- a/libcxx/test/std/containers/sequences/list/list.cons/assign_move.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.cons/assign_move.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // list& operator=(list&& c);
@@ -19,7 +21,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     {
         std::list<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
         std::list<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
@@ -62,7 +63,6 @@ int main()
         assert(l.empty());
         assert(l2.get_allocator() == lo.get_allocator());
     }
-#if TEST_STD_VER >= 11
     {
         std::list<MoveOnly, min_allocator<MoveOnly> > l(min_allocator<MoveOnly>{});
         std::list<MoveOnly, min_allocator<MoveOnly> > lo(min_allocator<MoveOnly>{});
@@ -77,6 +77,4 @@ int main()
         assert(l.empty());
         assert(l2.get_allocator() == lo.get_allocator());
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.cons/initializer_list.pass.cpp b/libcxx/test/std/containers/sequences/list/list.cons/initializer_list.pass.cpp
index 40413203bdf..8f04e7342fc 100644
--- a/libcxx/test/std/containers/sequences/list/list.cons/initializer_list.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.cons/initializer_list.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // list(initializer_list<value_type> il);
@@ -18,7 +20,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     {
     std::list<int> d = {3, 4, 5, 6};
     assert(d.size() == 4);
@@ -28,7 +29,6 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#if TEST_STD_VER >= 11
     {
     std::list<int, min_allocator<int>> d = {3, 4, 5, 6};
     assert(d.size() == 4);
@@ -38,6 +38,4 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.cons/initializer_list_alloc.pass.cpp b/libcxx/test/std/containers/sequences/list/list.cons/initializer_list_alloc.pass.cpp
index 6040c648e54..3388e00dfb0 100644
--- a/libcxx/test/std/containers/sequences/list/list.cons/initializer_list_alloc.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.cons/initializer_list_alloc.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // list(initializer_list<value_type> il, const Allocator& a = allocator_type());
@@ -19,7 +21,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     {
     std::list<int, test_allocator<int>> d({3, 4, 5, 6}, test_allocator<int>(3));
     assert(d.get_allocator() == test_allocator<int>(3));
@@ -30,7 +31,6 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#if TEST_STD_VER >= 11
     {
     std::list<int, min_allocator<int>> d({3, 4, 5, 6}, min_allocator<int>());
     assert(d.get_allocator() == min_allocator<int>());
@@ -41,6 +41,4 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.cons/move_alloc.pass.cpp b/libcxx/test/std/containers/sequences/list/list.cons/move_alloc.pass.cpp
index 9f8a536b33c..7236f7cc6ac 100644
--- a/libcxx/test/std/containers/sequences/list/list.cons/move_alloc.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.cons/move_alloc.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // list(list&& c, const allocator_type& a);
@@ -19,7 +21,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     {
         std::list<MoveOnly, test_allocator<MoveOnly> > l(test_allocator<MoveOnly>(5));
         std::list<MoveOnly, test_allocator<MoveOnly> > lo(test_allocator<MoveOnly>(5));
@@ -59,7 +60,6 @@ int main()
         assert(!l.empty());
         assert(l2.get_allocator() == other_allocator<MoveOnly>(4));
     }
-#if TEST_STD_VER >= 11
     {
         std::list<MoveOnly, min_allocator<MoveOnly> > l(min_allocator<MoveOnly>{});
         std::list<MoveOnly, min_allocator<MoveOnly> > lo(min_allocator<MoveOnly>{});
@@ -73,6 +73,4 @@ int main()
         assert(l.empty());
         assert(l2.get_allocator() == min_allocator<MoveOnly>());
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.cons/op_equal_initializer_list.pass.cpp b/libcxx/test/std/containers/sequences/list/list.cons/op_equal_initializer_list.pass.cpp
index 1097bdab219..b638e219d9c 100644
--- a/libcxx/test/std/containers/sequences/list/list.cons/op_equal_initializer_list.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.cons/op_equal_initializer_list.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // list& operator=(initializer_list<value_type> il);
@@ -17,7 +19,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     {
     std::list<int> d;
     d = {3, 4, 5, 6};
@@ -28,7 +29,6 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#if TEST_STD_VER >= 11
     {
     std::list<int, min_allocator<int>> d;
     d = {3, 4, 5, 6};
@@ -39,6 +39,4 @@ int main()
     assert(*i++ == 5);
     assert(*i++ == 6);
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.modifiers/insert_iter_initializer_list.pass.cpp b/libcxx/test/std/containers/sequences/list/list.modifiers/insert_iter_initializer_list.pass.cpp
index 91845e564b0..2d5231e7820 100644
--- a/libcxx/test/std/containers/sequences/list/list.modifiers/insert_iter_initializer_list.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.modifiers/insert_iter_initializer_list.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // iterator insert(const_iterator p, initializer_list<value_type> il);
@@ -18,7 +20,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     {
     std::list<int> d(10, 1);
     std::list<int>::iterator i = d.insert(next(d.cbegin(), 2), {3, 4, 5, 6});
@@ -40,7 +41,6 @@ int main()
     assert(*i++ == 1);
     assert(*i++ == 1);
     }
-#if TEST_STD_VER >= 11
     {
     std::list<int, min_allocator<int>> d(10, 1);
     std::list<int, min_allocator<int>>::iterator i = d.insert(next(d.cbegin(), 2), {3, 4, 5, 6});
@@ -62,6 +62,4 @@ int main()
     assert(*i++ == 1);
     assert(*i++ == 1);
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.modifiers/push_back_rvalue.pass.cpp b/libcxx/test/std/containers/sequences/list/list.modifiers/push_back_rvalue.pass.cpp
index 10acede511f..3d9d00abe52 100644
--- a/libcxx/test/std/containers/sequences/list/list.modifiers/push_back_rvalue.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.modifiers/push_back_rvalue.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // void push_back(value_type&& x);
@@ -19,7 +21,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     {
     std::list<MoveOnly> l1;
     l1.push_back(MoveOnly(1));
@@ -30,7 +31,6 @@ int main()
     assert(l1.front() == MoveOnly(1));
     assert(l1.back() == MoveOnly(2));
     }
-#if TEST_STD_VER >= 11
     {
     std::list<MoveOnly, min_allocator<MoveOnly>> l1;
     l1.push_back(MoveOnly(1));
@@ -41,6 +41,4 @@ int main()
     assert(l1.front() == MoveOnly(1));
     assert(l1.back() == MoveOnly(2));
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 }
diff --git a/libcxx/test/std/containers/sequences/list/list.modifiers/push_front_rvalue.pass.cpp b/libcxx/test/std/containers/sequences/list/list.modifiers/push_front_rvalue.pass.cpp
index 5321ee0faed..6fef6ade9c7 100644
--- a/libcxx/test/std/containers/sequences/list/list.modifiers/push_front_rvalue.pass.cpp
+++ b/libcxx/test/std/containers/sequences/list/list.modifiers/push_front_rvalue.pass.cpp
@@ -7,6 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+// UNSUPPORTED: c++98, c++03
+
 // <list>
 
 // void push_front(value_type&& x);
@@ -19,7 +21,6 @@
 
 int main()
 {
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     {
     std::list<MoveOnly> l1;
     l1.push_front(MoveOnly(1));
@@ -30,7 +31,6 @@ int main()
     assert(l1.front() == MoveOnly(2));
     assert(l1.back() == MoveOnly(1));
     }
-#if TEST_STD_VER >= 11
     {
     std::list<MoveOnly, min_allocator<MoveOnly>> l1;
     l1.push_front(MoveOnly(1));
@@ -41,6 +41,4 @@ int main()
     assert(l1.front() == MoveOnly(2));
     assert(l1.back() == MoveOnly(1));
     }
-#endif
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 }