--- a/src/share/vm/classfile/classLoaderData.cpp	Mon Feb 24 10:45:15 2014 +0100
+++ b/src/share/vm/classfile/classLoaderData.cpp	Tue Feb 25 11:02:11 2014 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -528,6 +528,13 @@
   }
 }
 
+bool ClassLoaderData::contains_klass(Klass* klass) {
+  for (Klass* k = _klasses; k != NULL; k = k->next_link()) {
+    if (k == klass) return true;
+  }
+  return false;
+}
+
 
 // GC root of class loader data created.
 ClassLoaderData* ClassLoaderDataGraph::_head = NULL;