--- old/src/share/vm/oops/instanceKlass.cpp	2014-05-28 16:50:04.825533497 +0400
+++ new/src/share/vm/oops/instanceKlass.cpp	2014-05-28 16:50:04.658529646 +0400
@@ -1479,6 +1479,21 @@
   return NULL;
 }
 
+#ifdef ASSERT
+// search through class hierarchy and return true if this class or
+// one of the superclasses was redefined
+bool InstanceKlass::has_redefined_this_or_super() const {
+  const InstanceKlass* klass = this;
+  while (klass != NULL) {
+    if (klass->has_been_redefined()) {
+      return true;
+    }
+    klass = InstanceKlass::cast(klass->super());
+  }
+  return false;
+}
+#endif
+
 // lookup a method in the default methods list then in all transitive interfaces
 // Do NOT return private or static methods
 Method* InstanceKlass::lookup_method_in_ordered_interfaces(Symbol* name,