Implement n3656 - make_unique. Thanks to Howard for the review and suggestions.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@185352 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/memory/unique.ptr/unique.ptr.create/make_unique.array3.fail.cpp

@@ -0,0 +1,17 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#include <memory>
+#include <string>
+#include <cassert>
+
+int main()
+{
+    auto up3 = std::make_unique<int[5]>();    // this is deleted
+}