--- a/src/hotspot/share/gc/z/zAddress.hpp	Fri Nov 02 00:26:25 2018 -0700
+++ b/src/hotspot/share/gc/z/zAddress.hpp	Fri Nov 02 07:46:00 2018 +0100
@@ -37,6 +37,7 @@
   static bool is_weak_good_or_null(uintptr_t value);
   static bool is_marked(uintptr_t value);
   static bool is_finalizable(uintptr_t value);
+  static bool is_finalizable_good(uintptr_t value);
   static bool is_remapped(uintptr_t value);
 
   static uintptr_t address(uintptr_t value);