diff --git a/include/map b/include/map
index 5449d6ce3..c78231d0c 100644
--- a/include/map
+++ b/include/map
@@ -77,7 +77,12 @@ public:
     map(map&& m, const allocator_type& a);
     map(initializer_list<value_type> il, const key_compare& comp = key_compare());
     map(initializer_list<value_type> il, const key_compare& comp, const allocator_type& a);
-    ~map();
+    template <class InputIterator>
+        map(InputIterator first, InputIterator last, const allocator_type& a)
+            : map(first, last, Compare(), a) {}  // C++14
+    map(initializer_list<value_type> il, const allocator_type& a)
+        : map(il, Compare(), a) {}  // C++14
+   ~map();
 
     map& operator=(const map& m);
     map& operator=(map&& m)
@@ -273,6 +278,11 @@ public:
     multimap(initializer_list<value_type> il, const key_compare& comp = key_compare());
     multimap(initializer_list<value_type> il, const key_compare& comp,
              const allocator_type& a);
+    template <class InputIterator>
+        multimap(InputIterator first, InputIterator last, const allocator_type& a)
+            : multimap(first, last, Compare(), a) {} // C++14
+    multimap(initializer_list<value_type> il, const allocator_type& a)
+        : multimap(il, Compare(), a) {} // C++14
     ~multimap();
 
     multimap& operator=(const multimap& m);
@@ -827,6 +837,13 @@ public:
             insert(__f, __l);
         }
 
+#if _LIBCPP_STD_VER > 11
+    template <class _InputIterator>
+    _LIBCPP_INLINE_VISIBILITY 
+    map(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
+        : map(__f, __l, key_compare(), __a) {}
+#endif
+
     _LIBCPP_INLINE_VISIBILITY
     map(const map& __m)
         : __tree_(__m.__tree_)
@@ -885,6 +902,12 @@ public:
             insert(__il.begin(), __il.end());
         }
 
+#if _LIBCPP_STD_VER > 11
+    _LIBCPP_INLINE_VISIBILITY 
+    map(initializer_list<value_type> __il, const allocator_type& __a)
+        : map(__il, key_compare(), __a) {}
+#endif
+
     _LIBCPP_INLINE_VISIBILITY
     map& operator=(initializer_list<value_type> __il)
         {
@@ -1586,6 +1609,13 @@ public:
             insert(__f, __l);
         }
 
+#if _LIBCPP_STD_VER > 11
+    template <class _InputIterator>
+    _LIBCPP_INLINE_VISIBILITY 
+    multimap(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
+        : multimap(__f, __l, key_compare(), __a) {}
+#endif
+
     _LIBCPP_INLINE_VISIBILITY
     multimap(const multimap& __m)
         : __tree_(__m.__tree_.value_comp(),
@@ -1645,6 +1675,12 @@ public:
             insert(__il.begin(), __il.end());
         }
 
+#if _LIBCPP_STD_VER > 11
+    _LIBCPP_INLINE_VISIBILITY 
+    multimap(initializer_list<value_type> __il, const allocator_type& __a)
+        : multimap(__il, key_compare(), __a) {}
+#endif
+
     _LIBCPP_INLINE_VISIBILITY
     multimap& operator=(initializer_list<value_type> __il)
         {
diff --git a/test/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp b/test/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp
index 14e0eb3d4..d84462456 100644
--- a/test/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp
+++ b/test/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp
@@ -69,6 +69,32 @@ int main()
     assert(m.key_comp() == C(3));
     assert(m.get_allocator() == A());
     }
+#if _LIBCPP_STD_VER > 11
+    {
+    typedef std::pair<const int, double> V;
+    typedef min_allocator<V> A;
+    typedef test_compare<std::less<int> > C;
+    typedef std::map<int, double, C, A> M;
+    A a;
+    M m ({ {1, 1},
+           {1, 1.5},
+           {1, 2},
+           {2, 1},
+           {2, 1.5},
+           {2, 2},
+           {3, 1},
+           {3, 1.5},
+           {3, 2}
+          }, a);
+
+    assert(m.size() == 3);
+    assert(distance(m.begin(), m.end()) == 3);
+    assert(*m.begin() == V(1, 1));
+    assert(*next(m.begin()) == V(2, 1));
+    assert(*next(m.begin(), 2) == V(3, 1));
+    assert(m.get_allocator() == a);
+    }
+#endif
 #endif
 #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 }
diff --git a/test/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp b/test/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp
index 8fabdcc08..2c767123a 100644
--- a/test/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp
+++ b/test/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp
@@ -75,5 +75,34 @@ int main()
     assert(*next(m.begin()) == V(2, 1));
     assert(*next(m.begin(), 2) == V(3, 1));
     }
+#if _LIBCPP_STD_VER > 11
+    {
+    typedef std::pair<const int, double> V;
+    V ar[] =
+    {
+        V(1, 1),
+        V(1, 1.5),
+        V(1, 2),
+        V(2, 1),
+        V(2, 1.5),
+        V(2, 2),
+        V(3, 1),
+        V(3, 1.5),
+        V(3, 2),
+    };
+    typedef std::pair<const int, double> V;
+    typedef min_allocator<V> A;
+    typedef test_compare<std::less<int> > C;
+    A a;
+    std::map<int, double, C, A> m(ar, ar+sizeof(ar)/sizeof(ar[0]), a );
+
+    assert(m.size() == 3);
+    assert(distance(m.begin(), m.end()) == 3);
+    assert(*m.begin() == V(1, 1));
+    assert(*next(m.begin()) == V(2, 1));
+    assert(*next(m.begin(), 2) == V(3, 1));
+    assert(m.get_allocator() == a);
+    }
+#endif
 #endif
 }
diff --git a/test/containers/associative/multimap/multimap.cons/initializer_list_compare_alloc.pass.cpp b/test/containers/associative/multimap/multimap.cons/initializer_list_compare_alloc.pass.cpp
index 3f4073be0..a2c0cdb85 100644
--- a/test/containers/associative/multimap/multimap.cons/initializer_list_compare_alloc.pass.cpp
+++ b/test/containers/associative/multimap/multimap.cons/initializer_list_compare_alloc.pass.cpp
@@ -92,5 +92,38 @@ int main()
     assert(m.key_comp() == Cmp(4));
     assert(m.get_allocator() == A());
     }
+#if _LIBCPP_STD_VER > 11
+    {
+    typedef test_compare<std::less<int> > C;
+    typedef std::pair<const int, double> V;
+    typedef min_allocator<V> A;
+    typedef std::multimap<int, double, C, A> M;
+    A a;
+    M m ({ {1, 1},
+           {1, 1.5},
+           {1, 2},
+           {2, 1},
+           {2, 1.5},
+           {2, 2},
+           {3, 1},
+           {3, 1.5},
+           {3, 2}
+          }, a);
+
+    assert(m.size() == 9);
+    assert(distance(m.begin(), m.end()) == 9);
+    M::const_iterator i = m.cbegin();
+    assert(*i == V(1, 1));
+    assert(*++i == V(1, 1.5));
+    assert(*++i == V(1, 2));
+    assert(*++i == V(2, 1));
+    assert(*++i == V(2, 1.5));
+    assert(*++i == V(2, 2));
+    assert(*++i == V(3, 1));
+    assert(*++i == V(3, 1.5));
+    assert(*++i == V(3, 2));
+    assert(m.get_allocator() == a);
+    }
+#endif
 #endif
 }
diff --git a/test/containers/associative/multimap/multimap.cons/iter_iter.pass.cpp b/test/containers/associative/multimap/multimap.cons/iter_iter.pass.cpp
index 3095cb56f..78fdbdb20 100644
--- a/test/containers/associative/multimap/multimap.cons/iter_iter.pass.cpp
+++ b/test/containers/associative/multimap/multimap.cons/iter_iter.pass.cpp
@@ -76,5 +76,37 @@ int main()
     assert(*next(m.begin(), 7) == V(3, 1.5));
     assert(*next(m.begin(), 8) == V(3, 2));
     }
+#if _LIBCPP_STD_VER > 11
+    {
+    typedef std::pair<const int, double> V;
+    V ar[] =
+    {
+        V(1, 1),
+        V(1, 1.5),
+        V(1, 2),
+        V(2, 1),
+        V(2, 1.5),
+        V(2, 2),
+        V(3, 1),
+        V(3, 1.5),
+        V(3, 2),
+    };
+    typedef min_allocator<std::pair<const int, double>> A;
+    A a;
+    std::multimap<int, double, std::less<int>, A> m(ar, ar+sizeof(ar)/sizeof(ar[0]), a);
+    assert(m.size() == 9);
+    assert(distance(m.begin(), m.end()) == 9);
+    assert(*m.begin() == V(1, 1));
+    assert(*next(m.begin()) == V(1, 1.5));
+    assert(*next(m.begin(), 2) == V(1, 2));
+    assert(*next(m.begin(), 3) == V(2, 1));
+    assert(*next(m.begin(), 4) == V(2, 1.5));
+    assert(*next(m.begin(), 5) == V(2, 2));
+    assert(*next(m.begin(), 6) == V(3, 1));
+    assert(*next(m.begin(), 7) == V(3, 1.5));
+    assert(*next(m.begin(), 8) == V(3, 2));
+    assert(m.get_allocator() == a);
+    }
+#endif
 #endif
 }