Index: include/memory
===================================================================
--- include/memory
+++ include/memory
@@ -2522,6 +2522,13 @@
 
 // default_delete
 
+template <class _Tp, bool __isArray> struct __do_default_delete;
+template <class _Tp> struct __do_default_delete<_Tp, true>
+{	void operator() (_Tp* __ptr) const _NOEXCEPT { delete [] __ptr; }};
+
+template <class _Tp> struct __do_default_delete<_Tp, false>
+{	void operator() (_Tp* __ptr) const _NOEXCEPT { delete __ptr; }};
+
 template <class _Tp>
 struct _LIBCPP_TYPE_VIS_ONLY default_delete
 {
@@ -2533,11 +2540,13 @@
     template <class _Up>
         _LIBCPP_INLINE_VISIBILITY default_delete(const default_delete<_Up>&,
              typename enable_if<is_convertible<_Up*, _Tp*>::value>::type* = 0) _NOEXCEPT {}
-    _LIBCPP_INLINE_VISIBILITY void operator() (_Tp* __ptr) const _NOEXCEPT
+
+    _LIBCPP_INLINE_VISIBILITY void
+    operator() (_Tp* __ptr) const _NOEXCEPT
         {
             static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type");
             static_assert(!is_void<_Tp>::value, "default_delete can not delete incomplete type");
-            delete __ptr;
+            __do_default_delete<_Tp, is_array<_Tp>::value>()(__ptr);
         }
 };