--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegionSeq.hpp	Fri Sep 16 21:35:06 2011 -0700
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegionSeq.hpp	Tue Sep 20 09:59:59 2011 -0400
@@ -56,6 +56,7 @@
 // and maintain that: _length <= _allocated_length <= _max_length
 
 class HeapRegionSeq: public CHeapObj {
+  friend class VMStructs;
 
   // The array that holds the HeapRegions.
   HeapRegion** _regions;