--- old/src/share/vm/gc/shenandoah/shenandoahHeap.hpp	2017-05-03 19:25:11.997424510 +0200
+++ new/src/share/vm/gc/shenandoah/shenandoahHeap.hpp	2017-05-03 19:25:11.937425594 +0200
@@ -294,6 +294,7 @@
 
   void do_partial_collection();
 
+  void update_heap_references(ShenandoahHeapRegionSet* regions);
   void concurrent_update_heap_references();
   void prepare_update_refs();
   void finish_update_refs();