diff -r 52aab4aa2ed5 -r 26315213bab8 hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp
--- a/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp	Fri Sep 19 09:23:55 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp	Thu Sep 18 12:45:45 2014 +0200
@@ -43,8 +43,8 @@
 inline uint G1CollectedHeap::addr_to_region(HeapWord* addr) const {
   assert(is_in_reserved(addr),
          err_msg("Cannot calculate region index for address "PTR_FORMAT" that is outside of the heap ["PTR_FORMAT", "PTR_FORMAT")",
-                 p2i(addr), p2i(_reserved.start()), p2i(_reserved.end())));
-  return (uint)(pointer_delta(addr, _reserved.start(), sizeof(uint8_t)) >> HeapRegion::LogOfHRGrainBytes);
+                 p2i(addr), p2i(reserved_region().start()), p2i(reserved_region().end())));
+  return (uint)(pointer_delta(addr, reserved_region().start(), sizeof(uint8_t)) >> HeapRegion::LogOfHRGrainBytes);
 }
 
 inline HeapWord* G1CollectedHeap::bottom_addr_for_region(uint index) const {