1 files changed, 33 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-40.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-40.C
new file mode 100644
index 0000000..f8bff78
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/alias-decl-40.C
@@ -0,0 +1,33 @@
+// PR c++/58170
+// { dg-require-effective-target c++11 }
+// { dg-prune-output "not declared" }
+// { dg-prune-output "expected" }
+
+template <typename T, typename U>
+struct base {
+  template <typename V>
+  struct derived;
+};
+
+template <typename T, typename U>
+template <typename V>
+struct base<T, U>::derived : public base<T, V> {
+};
+
+// This (wrong?) alias declaration provokes the crash.
+template <typename T, typename U, typename V>
+using alias = base<T, U>::derived<V>; // { dg-error "template|typename" }
+
+// This one works:
+// template <typename T, typename U, typename V>
+// using alias = typename base<T, U>::template derived<V>;
+
+template <typename T>
+void f() {
+  alias<T, bool, char> m{};
+  (void) m;
+}
+
+int main() {
+  f<int>();
+}