diff -r 4d3a43351904 -r a8ea2f110d87 src/share/vm/gc_implementation/g1/concurrentMark.inline.hpp
--- a/src/share/vm/gc_implementation/g1/concurrentMark.inline.hpp	Wed Aug 27 09:36:55 2014 +0200
+++ b/src/share/vm/gc_implementation/g1/concurrentMark.inline.hpp	Tue Aug 26 09:36:53 2014 +0200
@@ -86,7 +86,7 @@
   HeapWord* start = mr.start();
   HeapWord* end = mr.end();
   size_t region_size_bytes = mr.byte_size();
-  uint index = hr->hrs_index();
+  uint index = hr->hrm_index();
 
   assert(!hr->continuesHumongous(), "should not be HC region");
   assert(hr == g1h->heap_region_containing(start), "sanity");