--- old/src/share/vm/gc/g1/g1CollectedHeap.hpp	2017-02-23 11:06:54.231571173 +0100
+++ new/src/share/vm/gc/g1/g1CollectedHeap.hpp	2017-02-23 11:06:54.118567733 +0100
@@ -159,6 +159,8 @@
   HeapRegionSet _humongous_set;
 
   void eagerly_reclaim_humongous_regions();
+  // Start a new incremental collection set for the next pause.
+  void start_new_collection_set();
 
   // The number of regions we could create by expansion.
   uint _expansion_regions;