diff --git a/libcxx/include/type_traits b/libcxx/include/type_traits
index 924a60261c52..5911c0390144 100644
--- a/libcxx/include/type_traits
+++ b/libcxx/include/type_traits
@@ -1318,6 +1318,18 @@ move(_Tp& __t)
     return __t;
 }
 
+template <class _Tp>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    !is_convertible<_Tp, __rv<_Tp> >::value,
+    const _Tp&
+>::type
+move(const _Tp& __t)
+{
+    return __t;
+}
+
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
 typename enable_if