8316229: Enhance class initialization logging

[shipilev]

Clean backport to improve JVM diagnostics. There is no bugtail recorded after few months in mainline.

Additional testing:

• MacOS AArch64 fastdebug, hotspot:tier1.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8316229 needs maintainer approval

Issue

• JDK-8316229: Enhance class initialization logging (Enhancement - P4 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u.git pull/406/head:pull/406
$ git checkout pull/406

Update a local copy of the PR:
$ git checkout pull/406
$ git pull https://git.openjdk.org/jdk21u.git pull/406/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 406

View PR using the GUI difftool:
$ git pr show -t 406

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u/pull/406.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back shade! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

⚠️ @shipilev This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[shipilev]

/approval request Clean backport to improve JVM diagnostics. There is no bugtail recorded after few months in mainline.

[openjdk]

@shipilev
8316229: The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (b82ca539)

[shipilev]

Closing in favor of openjdk/jdk21u-dev#7