--- a/src/hotspot/share/oops/accessBackend.hpp	Wed Mar 14 00:30:56 2018 +0900
+++ b/src/hotspot/share/oops/accessBackend.hpp	Tue Mar 13 17:13:35 2018 +0100
@@ -104,6 +104,11 @@
     typedef oop (*resolve_func_t)(oop obj);
   };
 
+  template <DecoratorSet decorators>
+  struct AccessFunctionTypes<decorators, void> {
+    typedef bool (*arraycopy_func_t)(arrayOop src_obj, arrayOop dst_obj, void* src, void* dst, size_t length);
+  };
+
   template <DecoratorSet decorators, typename T, BarrierType barrier> struct AccessFunction {};
 
 #define ACCESS_GENERATE_ACCESS_FUNCTION(bt, func)                   \
@@ -335,7 +340,7 @@
   }
 
   template <typename T>
-  static bool arraycopy(T* src, T* dst, size_t length);
+  static bool arraycopy(arrayOop src_obj, arrayOop dst_obj, T* src, T* dst, size_t length);
 
   template <typename T>
   static void oop_store(void* addr, T value);