@@ -1847,7 +1847,7 @@ _GLIBCXX_MEM_FN_TRAITS(&&, false_type, true_type)
typedef _Res _Signature_type(_ArgTypes...);
template<typename _Func,
- typename _Res2 = typename result_of<_Func(_ArgTypes...)>::type>
+ typename _Res2 = typename result_of<_Func&(_ArgTypes...)>::type>
struct _Callable : __check_func_return_type<_Res2, _Res> { };
// Used so the return type convertibility checks aren't done when
new file mode 100644
@@ -0,0 +1,31 @@
+// Copyright (C) 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 copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// { dg-options "-std=gnu++11" }
+
+#include <functional>
+
+struct F {
+ void operator()() && { }
+ int operator()() & { return 0; }
+};
+
+int main() {
+ F f;
+ std::function<int()> ff{f};
+ return ff();
+}