Only in python/converter: as_to_python_function.hpp~
diff -u -r python-old/object/make_ptr_instance.hpp python/object/make_ptr_instance.hpp
--- python-old/object/make_ptr_instance.hpp	2003-04-22 14:35:28.000000000 +0200
+++ python/object/make_ptr_instance.hpp	2003-06-28 15:09:05.000000000 +0200
@@ -34,7 +34,7 @@
     template <class U>
     static inline PyTypeObject* get_class_object_impl(U const volatile* p)
     {
-        PyTypeObject* derived = get_derived_class_object(is_polymorphic<U>::type(), p);
+        PyTypeObject* derived = get_derived_class_object(typename is_polymorphic<U>::type(), p);
         if (derived)
             return derived;
         return converter::registered<T>::converters.get_class_object();