--- old/src/share/vm/oops/instanceKlass.cpp	2016-01-22 15:20:58.734761979 +0100
+++ new/src/share/vm/oops/instanceKlass.cpp	2016-01-22 15:20:58.630757698 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2016, 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
@@ -211,9 +211,9 @@
 InstanceKlass::InstanceKlass(const ClassFileParser& parser, unsigned kind) :
   _static_field_size(parser.static_field_size()),
   _nonstatic_oop_map_size(nonstatic_oop_map_size(parser.total_oop_map_count())),
-  _vtable_len(parser.vtable_size()),
   _itable_len(parser.itable_size()),
   _reference_type(parser.reference_type()) {
+    set_vtable_length(parser.vtable_size());
     set_kind(kind);
     set_access_flags(parser.access_flags());
     set_is_anonymous(parser.is_anonymous());