1 files changed, 22 insertions, 0 deletions

diff --git a/src/boost/libs/hana/test/issues/github_297.cpp b/src/boost/libs/hana/test/issues/github_297.cpp
new file mode 100644
index 00000000..40bf403b
--- /dev/null
+++ b/src/boost/libs/hana/test/issues/github_297.cpp
@@ -0,0 +1,22 @@
+// Copyright Louis Dionne 2013-2017
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include <boost/hana/integral_constant.hpp>
+#include <boost/hana/map.hpp>
+#include <boost/hana/pair.hpp>
+
+#include <memory>
+namespace hana = boost::hana;
+
+
+int main() {
+    auto map = hana::make_map(
+        hana::make_pair(hana::int_c<0>, 123),
+        hana::make_pair(hana::int_c<1>, 456)
+    );
+
+    std::unique_ptr<decltype(map)> p1{}, p2{};
+    using std::swap;
+    swap(p1, p2);
+}