1 files changed, 51 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic161.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic161.C
new file mode 100644
index 000000000..ac6eaf6a3
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic161.C
@@ -0,0 +1,51 @@
+// PR c++/63139
+// { dg-do compile { target c++11 } }
+
+template<typename ...T>
+struct type_list {};
+
+template<typename ...T>
+struct make_type_list
+{
+    using type = type_list<T...>;
+};
+
+// The bug disappears if you use make_type_list directly.
+template<typename ...T>
+using make_type_list_t = typename make_type_list<T...>::type;
+
+
+struct ContainerEndA {};
+
+template<typename ...Ts>
+struct ContainerA
+{
+    using type = make_type_list_t<Ts..., ContainerEndA>;
+};
+
+
+struct ContainerEndB {};
+
+template<typename ...Ts>
+struct ContainerB
+{
+    using type = make_type_list_t<Ts..., ContainerEndB>;
+};
+
+template<typename T, typename U>
+struct is_same
+{
+  static const bool value = false;
+};
+
+template<typename T>
+struct is_same<T, T>
+{
+  static const bool value = true;
+};
+
+#define SA(X) static_assert((X), #X)
+
+SA((is_same<ContainerB<>::type, type_list<ContainerEndB>>::value));
+SA((!is_same<ContainerA<>::type, type_list<ContainerEndB>>::value));
+SA((!is_same<ContainerA<>::type, ContainerB<>::type>::value));