--- a/src/hotspot/share/gc/z/zBarrierSetRuntime.hpp	Tue Nov 05 10:11:18 2019 +0000
+++ b/src/hotspot/share/gc/z/zBarrierSetRuntime.hpp	Thu Oct 31 17:16:36 2019 +0100
@@ -36,6 +36,7 @@
   static oopDesc* load_barrier_on_weak_oop_field_preloaded(oopDesc* o, oop* p);
   static oopDesc* load_barrier_on_phantom_oop_field_preloaded(oopDesc* o, oop* p);
   static void load_barrier_on_oop_array(oop* p, size_t length);
+  static void clone_oop(oop src, oop dst, size_t length);
 
 public:
   static address load_barrier_on_oop_field_preloaded_addr(DecoratorSet decorators);
@@ -43,6 +44,7 @@
   static address load_barrier_on_weak_oop_field_preloaded_addr();
   static address load_barrier_on_phantom_oop_field_preloaded_addr();
   static address load_barrier_on_oop_array_addr();
+  static address clone_oop_addr();
 };
 
 #endif // SHARE_GC_Z_ZBARRIERSETRUNTIME_HPP