--- old/src/share/vm/ci/ciKlass.hpp	2013-10-02 17:55:40.096753806 +0200
+++ new/src/share/vm/ci/ciKlass.hpp	2013-10-02 17:55:39.675368269 +0200
@@ -41,6 +41,7 @@
   friend class ciEnv;
   friend class ciField;
   friend class ciMethod;
+  friend class ciMethodData;
   friend class ciObjArrayKlass;
 
 private:
@@ -121,6 +122,8 @@
   // What kind of ciObject is this?
   bool is_klass() const { return true; }
 
+  virtual ciKlass* exact_klass() = 0;
+
   void print_name_on(outputStream* st);
 };