Index: include/map    
===================================================================
--- include/map    
+++ include/map    
@@ -1223,12 +1223,12 @@
 
     _LIBCPP_INLINE_VISIBILITY
     size_type      count(const key_type& __k) const
-        {return __tree_.__count_unique(__k);}
+        {return __tree_.__count_multi(__k);}
 #if _LIBCPP_STD_VER > 11
     template <typename _K2>
     _LIBCPP_INLINE_VISIBILITY
     typename enable_if<__is_transparent<_Compare, _K2>::value,size_type>::type
-    count(const _K2& __k) const {return __tree_.__count_unique(__k);}
+    count(const _K2& __k) const {return __tree_.__count_multi(__k);}
 #endif
     _LIBCPP_INLINE_VISIBILITY
     iterator lower_bound(const key_type& __k)
@@ -1267,19 +1267,19 @@
 
     _LIBCPP_INLINE_VISIBILITY
     pair<iterator,iterator> equal_range(const key_type& __k)
-        {return __tree_.__equal_range_unique(__k);}
+        {return __tree_.__equal_range_multi(__k);}
     _LIBCPP_INLINE_VISIBILITY
     pair<const_iterator,const_iterator> equal_range(const key_type& __k) const
-        {return __tree_.__equal_range_unique(__k);}
+        {return __tree_.__equal_range_multi(__k);}
 #if _LIBCPP_STD_VER > 11
     template <typename _K2>
     _LIBCPP_INLINE_VISIBILITY
     typename enable_if<__is_transparent<_Compare, _K2>::value,pair<iterator,iterator>>::type
-    equal_range(const _K2& __k)       {return __tree_.__equal_range_unique(__k);}
+    equal_range(const _K2& __k)       {return __tree_.__equal_range_multi(__k);}
     template <typename _K2>
     _LIBCPP_INLINE_VISIBILITY
     typename enable_if<__is_transparent<_Compare, _K2>::value,pair<const_iterator,const_iterator>>::type
-    equal_range(const _K2& __k) const {return __tree_.__equal_range_unique(__k);}
+    equal_range(const _K2& __k) const {return __tree_.__equal_range_multi(__k);}
 #endif
 
 private:
Index: include/set
===================================================================
--- include/set
+++ include/set
@@ -663,12 +663,12 @@
 
     _LIBCPP_INLINE_VISIBILITY
     size_type      count(const key_type& __k) const
-        {return __tree_.__count_unique(__k);}
+        {return __tree_.__count_multi(__k);}
 #if _LIBCPP_STD_VER > 11
     template <typename _K2>
     _LIBCPP_INLINE_VISIBILITY
     typename enable_if<__is_transparent<_Compare, _K2>::value,size_type>::type
-    count(const _K2& __k) const                    {return __tree_.__count_unique(__k);}
+    count(const _K2& __k) const                    {return __tree_.__count_multi(__k);}
 #endif
     _LIBCPP_INLINE_VISIBILITY
     iterator lower_bound(const key_type& __k)
@@ -707,19 +707,19 @@
 
     _LIBCPP_INLINE_VISIBILITY
     pair<iterator,iterator> equal_range(const key_type& __k)
-        {return __tree_.__equal_range_unique(__k);}
+        {return __tree_.__equal_range_multi(__k);}
     _LIBCPP_INLINE_VISIBILITY
     pair<const_iterator,const_iterator> equal_range(const key_type& __k) const
-        {return __tree_.__equal_range_unique(__k);}
+        {return __tree_.__equal_range_multi(__k);}
 #if _LIBCPP_STD_VER > 11
     template <typename _K2>
     _LIBCPP_INLINE_VISIBILITY
     typename enable_if<__is_transparent<_Compare, _K2>::value,pair<iterator,iterator>>::type
-    equal_range(const _K2& __k)       {return __tree_.__equal_range_unique(__k);}
+    equal_range(const _K2& __k)       {return __tree_.__equal_range_multi(__k);}
     template <typename _K2>
     _LIBCPP_INLINE_VISIBILITY
     typename enable_if<__is_transparent<_Compare, _K2>::value,pair<const_iterator,const_iterator>>::type
-    equal_range(const _K2& __k) const {return __tree_.__equal_range_unique(__k);}
+    equal_range(const _K2& __k) const {return __tree_.__equal_range_multi(__k);}
 #endif
 };