1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.pt/ttp62.C b/gcc/testsuite/g++.old-deja/g++.pt/ttp62.C
new file mode 100644
index 000000000..6faabe194
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.pt/ttp62.C
@@ -0,0 +1,30 @@
+// { dg-do run  }
+// Origin: Ewgenij Gawrilow <gawrilow@math.TU-Berlin.DE>
+
+extern "C" void abort ();
+
+template <template <class X> class B, class A>
+struct is_instance_of {
+   enum { answer=false };
+};
+
+template <template <class X> class B, class T>
+struct is_instance_of<B, B<T> > {
+   enum { answer=true };
+};
+
+template <class X> struct C { };
+template <class X> struct D { };
+
+template <class T>
+bool is_C (const T&) {
+   return is_instance_of<C,T>::answer;
+}
+
+int main() {
+   if (!is_C(C<int>()))
+      abort ();
+   if (is_C(D<int>()))
+      abort ();
+   return 0;
+}