diff -r b311681bc3f9 -r f642ad5c655f src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp	Tue Sep 17 15:58:54 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.hpp	Wed Sep 25 12:33:05 2019 +0200
@@ -71,6 +71,7 @@
   inline void arraycopy_update(oop* src, size_t count);
   inline void arraycopy_update(narrowOop* src, size_t count);
   inline void clone_barrier(oop src);
+  void clone_barrier_runtime(oop src);
 
   // We export this to make it available in cases where the static
   // type of the barrier set is known.  Note that it is non-virtual.