Old classes should be archived after this commit in the premain branch

https://github.com/openjdk/leyden/commit/cae8bbcd7aecf97b3a67cabba16df3e0f03f5167

However, we still see this warning:

open/test/hotspot/jtreg/premain/spring-petclinic$ egrep -i 'Skip.*(verification)|( old )' spring-petclinic.cds.*log
spring-petclinic.cds.preimage.log:[5.242s][warning][cds] Skipping net/bytebuddy/utility/Invoker$Dispatcher: Old class has been linked