--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Tue Mar 18 09:03:28 2014 +0100
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Fri Feb 28 15:27:09 2014 +0100
@@ -356,7 +356,7 @@
     _claimed(InitialClaimValue), _evacuation_failed(false),
     _prev_marked_bytes(0), _next_marked_bytes(0), _gc_efficiency(0.0),
     _young_type(NotYoung), _next_young_region(NULL),
-    _next_dirty_cards_region(NULL), _next(NULL), _pending_removal(false),
+    _next_dirty_cards_region(NULL), _next(NULL), _prev(NULL), _pending_removal(false),
 #ifdef ASSERT
     _containing_set(NULL),
 #endif // ASSERT