--- old/src/share/vm/oops/constantPool.hpp	2018-07-02 22:01:00.589926122 -0700
+++ new/src/share/vm/oops/constantPool.hpp	2018-07-02 22:01:00.507918315 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2018, 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
@@ -200,6 +200,7 @@
 
   // resolved strings, methodHandles and callsite objects from the constant pool
   objArrayOop resolved_references()  const;
+  objArrayOop resolved_references_or_null()  const;  
   // mapping resolved object array indexes to cp indexes and back.
   int object_to_cp_index(int index)         { return _reference_map->at(index); }
   int cp_to_object_index(int index);