1 files changed, 20 insertions, 0 deletions

diff --git a/src/boost/libs/hana/test/issues/clang_20046.cpp b/src/boost/libs/hana/test/issues/clang_20046.cpp
new file mode 100644
index 000000000..7dc68742b
--- /dev/null
+++ b/src/boost/libs/hana/test/issues/clang_20046.cpp
@@ -0,0 +1,20 @@
+// 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/type.hpp>
+namespace hana = boost::hana;
+
+
+template <typename ...> struct F { struct type; };
+struct M { template <typename ...> struct apply { struct type; }; };
+struct T;
+
+int main() {
+    // See http://llvm.org/bugs/show_bug.cgi?id=20046
+    [](auto) { return hana::trait<F>; }(1);
+    [](auto) { return hana::type_c<T>; }(1);
+    [](auto) { return hana::template_<F>; }(1);
+    [](auto) { return hana::metafunction<F>; }(1);
+    [](auto) { return hana::metafunction_class<M>; }(1);
+}