JDK-8320335: Deprecate RegisterFinalizersAtInit option and code

[DanHeidinga]

Deprecate the -XX:[+-]RegisterFinalizersAtInit option in JDK22. Goal is complete removal by JDK24.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change requires CSR request JDK-8320409 to be approved

Issues

• JDK-8320335: Deprecate RegisterFinalizersAtInit option and code (Enhancement - P4)
• JDK-8320409: Deprecate RegisterFinalizersAtInit option and code (CSR)

Reviewers

• Erik Österlund (@fisk - Reviewer)
• David Holmes (@dholmes-ora - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/16747/head:pull/16747
$ git checkout pull/16747

Update a local copy of the PR:
$ git checkout pull/16747
$ git pull https://git.openjdk.org/jdk.git pull/16747/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 16747

View PR using the GUI difftool:
$ git pr show -t 16747

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/16747.diff

Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back heidinga! 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]

@DanHeidinga The following label will be automatically applied to this pull request:

• hotspot-runtime

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[mlbridge]

Webrevs

• 00: Full (180df750)

[fisk]

Looks good.

[dholmes-ora]

Looks good. Thanks.

[openjdk]

@DanHeidinga This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8320335: Deprecate `RegisterFinalizersAtInit` option and code

Reviewed-by: eosterlund, dholmes

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 210 new commits pushed to the master branch:

• 9598ff8: 8315969: compiler/rangechecks/TestRangeCheckHoistingScaledIV.java: make flagless
• 53eb6f1: 8187591: -Werror turns incubator module warning to an error
• 570dffb: 8310807: java/nio/channels/DatagramChannel/Connect.java timed out
• 21a59b9: 8282726: java/net/vthread/BlockingSocketOps.java timeout/hang intermittently on Windows
• 9232070: 8318480: Obsolete UseCounterDecay and remove CounterDecayMinIntervalLength
• e055fae: 8264425: Update building.md on non-English locales on Windows
• c4aee66: 8320222: Wrong bytecode accepted, and StackMap table generated
• 604d29a: 8304446: javap --system flag doesn't override system APIs
• 839dd65: 8319244: implement JVMTI handshakes support for virtual threads
• 46e4028: 8316592: RISC-V: implement poly1305 intrinsic
• ... and 200 more: https://git.openjdk.org/jdk/compare/c788160f8acea7b58b54ad857b601bb7ffb53f8e...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

As you do not have Committer status in this project an existing Committer must agree to sponsor your change. Possible candidates are the reviewers of this PR (@fisk, @dholmes-ora) but any other Committer may sponsor as well.

➡️ To flag this PR as ready for integration with the above commit message, type /integrate in a new comment. (Afterwards, your sponsor types /sponsor in a new comment to perform the integration).

[DanHeidinga]

/integrate

[openjdk]

@DanHeidinga
Your change (at version 180df75) is now ready to be sponsored by a Committer.

[dholmes-ora]

/sponsor

[openjdk]

Going to push as commit 2c31ca5.
Since your change was applied there have been 219 commits pushed to the master branch:

• b3616c9: 8320131: Zero build fails on macOS after JDK-8254693
• d1af748: 8309067: gtest/AsyncLogGtest.java fails again in stderrOutput_vm
• e47cf61: 8074211: javax.sound.midi: Error with send System Exclusive messages of different length
• 6d82436: 8320278: ARM32 build is broken after JDK-8301997
• f69e665: 8318364: Add an FFM-based implementation of harfbuzz OpenType layout
• 1c0bd81: 8319124: Update XML Security for Java to 3.0.3
• 61d81d6: 8317742: ISO Standard Date Format implementation consistency on DateTimeFormatter and String.format
• c4aba87: 8320272: Make method_entry_barrier address shared
• 9311749: 8320526: Use title case in building.md
• 9598ff8: 8315969: compiler/rangechecks/TestRangeCheckHoistingScaledIV.java: make flagless
• ... and 209 more: https://git.openjdk.org/jdk/compare/c788160f8acea7b58b54ad857b601bb7ffb53f8e...master

Your commit was automatically rebased without conflicts.

[openjdk]

@dholmes-ora @DanHeidinga Pushed as commit 2c31ca5.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.