1 files changed, 39 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/experimental/optional/cons/value_neg.cc b/libstdc++-v3/testsuite/experimental/optional/cons/value_neg.cc
new file mode 100644
index 00000000000..c862a04986a
--- /dev/null
+++ b/libstdc++-v3/testsuite/experimental/optional/cons/value_neg.cc
@@ -0,0 +1,39 @@
+// { dg-options "-std=gnu++14" }
+// { dg-do compile }
+
+// Copyright (C) 2013-2016 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a moved_to of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <experimental/optional>
+#include <testsuite_hooks.h>
+
+#include <string>
+#include <memory>
+
+int main()
+{
+  {
+    struct X
+    {
+      explicit X(int) {}
+    };
+    std::experimental::optional<X> ox{42};
+    std::experimental::optional<X> ox2 = 42; // { dg-error "conversion" }
+    std::experimental::optional<std::unique_ptr<int>> oup{new int};
+    std::experimental::optional<std::unique_ptr<int>> oup2 = new int;  // { dg-error "conversion" }
+  }
+}