--- old/src/share/vm/gc_implementation/parallelScavenge/psScavenge.hpp	2014-12-05 13:45:00.323264465 -0800
+++ new/src/share/vm/gc_implementation/parallelScavenge/psScavenge.hpp	2014-12-05 13:45:00.239264468 -0800
@@ -92,6 +92,7 @@
 
   // Private accessors
   static CardTableExtension* const card_table()       { assert(_card_table != NULL, "Sanity"); return _card_table; }
+  static const ParallelScavengeTracer* gc_tracer() { return &_gc_tracer; }
 
  public:
   // Accessors