--- a/src/hotspot/share/gc/g1/g1CollectedHeap.inline.hpp	Wed Aug 22 10:28:34 2018 -0700
+++ b/src/hotspot/share/gc/g1/g1CollectedHeap.inline.hpp	Wed Aug 22 20:37:07 2018 +0200
@@ -92,6 +92,10 @@
   _old_set.remove(hr);
 }
 
+inline void G1CollectedHeap::archive_set_add(HeapRegion* hr) {
+  _archive_set.add(hr);
+}
+
 // It dirties the cards that cover the block so that the post
 // write barrier never queues anything when updating objects on this
 // block. It is assumed (and in fact we assert) that the block