--- old/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp	2020-04-03 22:13:05.759255758 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp	2020-04-03 22:13:05.654256456 +0200
@@ -107,12 +107,16 @@
 
 private:
   template <class T>
-  inline void arraycopy_marking(T* ary, size_t count);
+  inline void arraycopy_marking(T* src, T* dst, size_t count);
   template <class T>
   inline void arraycopy_evacuation(T* src, size_t count);
   template <class T>
   inline void arraycopy_update(T* src, size_t count);
 
+  inline void clone_marking(oop src);
+  inline void clone_evacuation(oop src);
+  inline void clone_update(oop src);
+
   template <class T, bool HAS_FWD, bool EVAC, bool ENQUEUE>
   inline void arraycopy_work(T* src, size_t count);