--- a/src/hotspot/share/oops/klass.hpp	Wed Aug 22 16:06:51 2018 +0100
+++ b/src/hotspot/share/oops/klass.hpp	Tue Aug 14 09:59:37 2018 -0700
@@ -261,6 +261,7 @@
   void set_java_mirror(Handle m);
 
   oop archived_java_mirror_raw() NOT_CDS_JAVA_HEAP_RETURN_(NULL); // no GC barrier
+  narrowOop archived_java_mirror_raw_narrow() NOT_CDS_JAVA_HEAP_RETURN_(0); // no GC barrier
   void set_archived_java_mirror_raw(oop m) NOT_CDS_JAVA_HEAP_RETURN; // no GC barrier
 
   // Temporary mirror switch used by RedefineClasses