--- a/hotspot/src/share/vm/gc_implementation/g1/sparsePRT.cpp	Wed Aug 04 13:03:23 2010 -0400
+++ b/hotspot/src/share/vm/gc_implementation/g1/sparsePRT.cpp	Fri Aug 06 10:17:21 2010 -0700
@@ -424,7 +424,7 @@
 
 
 SparsePRT::SparsePRT(HeapRegion* hr) :
-  _expanded(false), _next_expanded(NULL)
+  _hr(hr), _expanded(false), _next_expanded(NULL)
 {
   _cur = new RSHashTable(InitialCapacity);
   _next = _cur;