--- a/hotspot/src/share/vm/runtime/handles.cpp	Wed Feb 18 08:57:29 2015 +0100
+++ b/hotspot/src/share/vm/runtime/handles.cpp	Wed Feb 18 09:22:37 2015 +0100
@@ -214,4 +214,8 @@
   area->_no_handle_mark_nesting = _no_handle_mark_nesting;
 }
 
+bool instanceKlassHandle::is_instanceKlass(const Klass* k) {
+  return k->oop_is_instance();
+}
+
 #endif