re PR c++/33239 (internal compiler error in instantiate_class_template, at cp/pt.c:5666)

        PR c++/33239
        * pt.c (resolve_typename_type): Don't look things up in the original
        template if it would mean losing template arguments.

From-SVN: r128725

1 files changed, 24 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/template/memtmpl3.C b/gcc/testsuite/g++.dg/template/memtmpl3.C
new file mode 100644
index 00000000000..583155ea760
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/memtmpl3.C
@@ -0,0 +1,24 @@
+// PR c++/33239
+
+struct null_type;
+
+template<typename T1, typename T2>
+struct tuple_impl
+{
+  template<typename U>
+  struct append
+  {
+    typedef tuple_impl<U, null_type> type;
+  };
+
+  int data;
+};
+
+template<typename T1>
+class tuple
+: public tuple_impl<T1, null_type>::template append<T1>::type
+{
+  using tuple_impl<T1, null_type>::template append<T1>::type::data;
+};
+
+tuple<int>  my_tuple;