--- old/src/share/vm/classfile/classLoaderData.hpp	2017-04-25 16:44:13.747175933 +0200
+++ new/src/share/vm/classfile/classLoaderData.hpp	2017-04-25 16:44:13.631175937 +0200
@@ -309,6 +309,7 @@
   Metaspace* metaspace_non_null();
 
   oop class_loader() const      { return _class_loader; }
+  oop* class_loader_addr()      { return &_class_loader; }
 
   // The object the GC is using to keep this ClassLoaderData alive.
   oop keep_alive_object() const;