--- old/src/share/vm/gc/g1/g1CollectedHeap.hpp	2017-02-21 16:29:05.246766350 +0100
+++ new/src/share/vm/gc/g1/g1CollectedHeap.hpp	2017-02-21 16:29:05.135763006 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 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
@@ -1129,9 +1129,7 @@
 #endif
 
   // Return "TRUE" iff the given object address is within the collection
-  // set. Slow implementation.
-  bool obj_in_cs(oop obj);
-
+  // set. Assumes that the reference points into the heap.
   inline bool is_in_cset(const HeapRegion *hr);
   inline bool is_in_cset(oop obj);