git: openjdk/jdk21u: master: 8312434: SPECjvm2008/xml.transform with CDS fails with "can't seal package nu.xom"

[Calvin Cheung]

Changeset: 892938dc
Author:    Calvin Cheung <ccheung at openjdk.org>
Date:      2023-11-03 16:09:06 +0000
URL:       https://git.openjdk.org/jdk21u/commit/892938dc6626be5e4adcd9fe2e30d71b965e6739

8312434: SPECjvm2008/xml.transform with CDS fails with "can't seal package nu.xom"

Backport-of: 9f4a9fe488be7ce43f6719c54df25a1fabd8696a

! src/hotspot/share/cds/filemap.cpp
! src/hotspot/share/cds/filemap.hpp
! test/hotspot/jtreg/runtime/cds/appcds/JarBuilder.java
+ test/hotspot/jtreg/runtime/cds/appcds/SealingViolation.java
! test/hotspot/jtreg/runtime/cds/appcds/SignedJar.java
+ test/hotspot/jtreg/runtime/cds/appcds/test-classes/pkg/package_seal.mf