--- old/src/share/vm/classfile/javaClasses.hpp	2020-08-13 14:43:56.829120845 +0100
+++ new/src/share/vm/classfile/javaClasses.hpp	2020-08-13 14:43:56.704119549 +0100
@@ -519,6 +519,7 @@
   static oop message(oop throwable);
   static oop message(Handle throwable);
   static void set_message(oop throwable, oop value);
+  static Symbol* detail_message(oop throwable);
   static void print_stack_element(outputStream *st, Handle mirror, int method,
                                   int version, int bci, int cpref);
   static void print_stack_element(outputStream *st, methodHandle method, int bci);