--- old/src/share/vm/gc_interface/collectedHeap.hpp	2015-04-02 12:27:32.476335276 +0200
+++ new/src/share/vm/gc_interface/collectedHeap.hpp	2015-04-02 12:27:32.360335281 +0200
@@ -470,6 +470,7 @@
 
   // Returns the barrier set for this heap
   BarrierSet* barrier_set() { return _barrier_set; }
+  void set_barrier_set(BarrierSet* barrier_set);
 
   // Returns "true" iff there is a stop-world GC in progress.  (I assume
   // that it should answer "false" for the concurrent part of a concurrent