--- a/hotspot/src/share/vm/memory/modRefBarrierSet.hpp	Thu Feb 13 17:57:27 2014 +0100
+++ b/hotspot/src/share/vm/memory/modRefBarrierSet.hpp	Wed Feb 19 12:08:49 2014 -0800
@@ -60,7 +60,7 @@
   void read_ref_field(void* field) {}
   void read_prim_field(HeapWord* field, size_t bytes) {}
 protected:
-  virtual void write_ref_field_work(void* field, oop new_val) = 0;
+  virtual void write_ref_field_work(void* field, oop new_val, bool release = false) = 0;
 public:
   void write_prim_field(HeapWord* field, size_t bytes,
                         juint val1, juint val2) {}