diff -r 01b07229a6ad -r 688e5cbd0b91 src/hotspot/share/classfile/javaClasses.hpp
--- a/src/hotspot/share/classfile/javaClasses.hpp	Mon Jan 08 09:58:38 2018 -0500
+++ b/src/hotspot/share/classfile/javaClasses.hpp	Mon Jan 08 16:21:23 2018 +0100
@@ -102,6 +102,7 @@
 
   // Accessors
   static inline typeArrayOop value(oop java_string);
+  static inline typeArrayOop value_no_keepalive(oop java_string);
   static inline unsigned int hash(oop java_string);
   static inline bool is_latin1(oop java_string);
   static inline int length(oop java_string);