--- a/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Mon Mar 09 08:22:34 2015 +0100
+++ b/hotspot/src/share/vm/gc_implementation/g1/heapRegion.cpp	Mon Jan 26 10:32:35 2015 +0100
@@ -162,7 +162,7 @@
          "we should have already filtered out humongous regions");
   assert(_end == orig_end(),
          "we should have already filtered out humongous regions");
-  assert(!_in_collection_set,
+  assert(!in_collection_set(),
          err_msg("Should not clear heap region %u in the collection set", hrm_index()));
 
   set_allocation_context(AllocationContext::system());
@@ -262,7 +262,6 @@
     _hrm_index(hrm_index),
     _allocation_context(AllocationContext::system()),
     _humongous_start_region(NULL),
-    _in_collection_set(false),
     _next_in_special_set(NULL),
     _evacuation_failed(false),
     _prev_marked_bytes(0), _next_marked_bytes(0), _gc_efficiency(0.0),