--- a/hotspot/src/share/vm/gc/g1/g1CollectedHeap.inline.hpp	Thu Aug 06 19:52:54 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1CollectedHeap.inline.hpp	Fri Aug 07 15:37:07 2015 +0200
@@ -107,6 +107,10 @@
   OrderAccess::fence();
 }
 
+inline void G1CollectedHeap::old_set_add(HeapRegion* hr) {
+  _old_set.add(hr);
+}
+
 inline void G1CollectedHeap::old_set_remove(HeapRegion* hr) {
   _old_set.remove(hr);
 }