--- a/src/hotspot/share/gc/z/zAddress.hpp	Wed Jun 05 10:43:44 2019 +0200
+++ b/src/hotspot/share/gc/z/zAddress.hpp	Wed Jun 05 10:43:45 2019 +0200
@@ -49,6 +49,7 @@
   static bool is_finalizable(uintptr_t value);
   static bool is_finalizable_good(uintptr_t value);
   static bool is_remapped(uintptr_t value);
+  static bool is_in(uintptr_t value);
 
   static uintptr_t address(uintptr_t value);
   static uintptr_t offset(uintptr_t value);