--- old/src/hotspot/share/oops/klass.hpp	2020-01-24 15:11:50.786277434 -0800
+++ new/src/hotspot/share/oops/klass.hpp	2020-01-24 15:11:50.478271298 -0800
@@ -262,6 +262,7 @@
   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