--- old/src/share/vm/gc_implementation/g1/g1OopClosures.hpp	2011-12-20 11:11:17.575992629 -0800
+++ new/src/share/vm/gc_implementation/g1/g1OopClosures.hpp	2011-12-20 11:11:17.326809729 -0800
@@ -51,6 +51,7 @@
   G1RemSet* _g1_rem;
   ConcurrentMark* _cm;
   G1ParScanThreadState* _par_scan_state;
+  int _worker_i;
   bool _during_initial_mark;
   bool _mark_in_progress;
 public: