Backport cebaad1c94c301304fd146526cac95bfeaac66bf

[rkennke]

This backports the fix for JDK-8280041, which fixes a number of small issues with the preceding change for JDK-8277072.
The original change has baked for several weeks in jdk19 and applies cleanly.

Testing:

• tier1
• tier2
• tier3

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JDK-8278065: Refactor subclassAudits to use ClassValue

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/886/head:pull/886
$ git checkout pull/886

Update a local copy of the PR:
$ git checkout pull/886
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/886/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 886

View PR using the GUI difftool:
$ git pr show -t 886

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/886.diff

[bridgekeeper]

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[openjdk]

This backport pull request has now been updated with the original issue, but not the original commit. If you have the original commit hash, please update the pull request title with Backport <hash>.