--- a/hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Wed Jun 18 12:39:57 2014 -0700
+++ b/hotspot/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.hpp	Thu Jun 19 13:31:14 2014 +0200
@@ -1004,6 +1004,10 @@
   static bool   _dwl_initialized;
 #endif  // #ifdef ASSERT
 
+
+ public:
+  static ParallelOldTracer* gc_tracer() { return &_gc_tracer; }
+
  private:
 
   static void initialize_space_info();