--- old/src/hotspot/share/gc/z/zOop.hpp	2018-10-31 15:02:21.549718875 +0100
+++ new/src/hotspot/share/gc/z/zOop.hpp	2018-10-31 15:02:21.174702591 +0100
@@ -33,7 +33,7 @@
   static uintptr_t to_address(oop o);
 
   static bool is_good(oop o);
-  static bool is_good_or_null(oop o);
+  static bool is_finalizable_good(oop o);
 
   static oop good(oop);
 };