--- old/src/share/vm/gc/g1/heapRegionRemSet.cpp	2016-01-20 11:46:19.812229473 +0100
+++ new/src/share/vm/gc/g1/heapRegionRemSet.cpp	2016-01-20 11:46:19.722226727 +0100
@@ -110,7 +110,9 @@
 
 public:
 
-  HeapRegion* hr() const { return _hr; }
+  HeapRegion* hr() const { 
+    return (HeapRegion*) OrderAccess::load_ptr_acquire(&_hr);
+  }
 
   jint occupied() const {
     // Overkill, but if we ever need it...