--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/cpp0x/noexcept35.C	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,21 @@
+// { dg-do compile { target c++11 } }
+
+template <typename _Tp, _Tp __v> struct A { static constexpr _Tp value = __v; };
+typedef A<bool, false> false_type;
+struct is_same : false_type {};
+template <bool> struct enable_if;
+template <typename> using __remove_cvref_t = int;
+template <typename _Tp> class reference_wrapper {
+  static _Tp _S_fun();
+  template <typename _Up, typename = __remove_cvref_t<_Up>>
+  using __not_same = enable_if<is_same::value>;
+
+public:
+  template <typename _Up, typename = __not_same<_Up>>
+  reference_wrapper(_Up) noexcept(noexcept(reference_wrapper::_S_fun));
+};
+
+reference_wrapper<int> fn1() {
+  int __t = 10;
+  return __t;
+}