diff -r 18baf1a5a8ce -r 623a25e6c686 hotspot/src/share/vm/gc_implementation/g1/g1RemSetSummary.cpp
--- a/hotspot/src/share/vm/gc_implementation/g1/g1RemSetSummary.cpp	Thu Sep 11 14:21:24 2014 +0200
+++ b/hotspot/src/share/vm/gc_implementation/g1/g1RemSetSummary.cpp	Mon Sep 15 12:19:31 2014 +0200
@@ -259,14 +259,16 @@
     size_t code_root_elems = hrrs->strong_code_roots_list_length();
 
     RegionTypeCounter* current = NULL;
-    if (r->is_young()) {
+    if (r->is_free()) {
+      current = &_free;
+    } else if (r->is_young()) {
       current = &_young;
     } else if (r->isHumongous()) {
       current = &_humonguous;
-    } else if (r->is_empty()) {
-      current = &_free;
+    } else if (r->is_old()) {
+      current = &_old;
     } else {
-      current = &_old;
+      ShouldNotReachHere();
     }
     current->add(rs_mem_sz, occupied_cards, code_root_mem_sz, code_root_elems);
     _all.add(rs_mem_sz, occupied_cards, code_root_mem_sz, code_root_elems);