Merge to upstream r225300.

Change-Id: I2b23715db9ac129ff80aa78ad5824db0a4d6fbb3

test/std/localization/locale.stdcvt/codecvt_utf16.pass.cpp

@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <codecvt>
+
+// template <class Elem, unsigned long Maxcode = 0x10ffff,
+//           codecvt_mode Mode = (codecvt_mode)0>
+// class codecvt_utf16
+//     : public codecvt<Elem, char, mbstate_t>
+// {
+//     // unspecified
+// };
+
+// Not a portable test
+
+#include <codecvt>
+#include <cstdlib>
+#include <cassert>
+
+#include "count_new.hpp"
+
+int main()
+{
+    assert(globalMemCounter.checkOutstandingNewEq(0));
+    {
+        typedef std::codecvt_utf16<wchar_t> C;
+        C c;
+        assert(globalMemCounter.checkOutstandingNewEq(0));
+    }
+    {
+        typedef std::codecvt_utf16<wchar_t> C;
+        std::locale loc(std::locale::classic(), new C);
+        assert(globalMemCounter.checkOutstandingNewNotEq(0));
+    }
+    assert(globalMemCounter.checkOutstandingNewEq(0));
+}