Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/utilities/function.objects/refwrap/refwrap.helpers/cref_2.pass.cpp

@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// reference_wrapper
+
+// template <ObjectType T> reference_wrapper<const T> cref(reference_wrapper<T> t);
+
+#include <functional>
+#include <cassert>
+
+int main()
+{
+    const int i = 0;
+    std::reference_wrapper<const int> r1 = std::cref(i);
+    std::reference_wrapper<const int> r2 = std::cref(r1);
+    assert(&r2.get() == &i);
+}