diff -r 1ea025bbd11d -r 9a572e758c9b hotspot/src/share/vm/classfile/javaClasses.hpp
--- a/hotspot/src/share/vm/classfile/javaClasses.hpp	Thu Feb 16 17:12:58 2017 +0000
+++ b/hotspot/src/share/vm/classfile/javaClasses.hpp	Tue Feb 21 02:27:01 2017 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2017, 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
@@ -1086,6 +1086,8 @@
   static int flags_offset_in_bytes()            { return _flags_offset; }
   static int vmtarget_offset_in_bytes()         { return _vmtarget_offset; }
   static int vmindex_offset_in_bytes()          { return _vmindex_offset; }
+
+  static bool equals(oop mt1, oop mt2);
 };