8361426: (ref) Remove jdk.internal.ref.Cleaner

[kimbarrett]

Please review this change that removes the class jdk.internal.ref.Cleaner.
It is no longer used after JDK-8344332.

Testing: mach5 tier1-3

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed (2 reviews required, with at least 1 Reviewer, 1 Author)

Issue

• JDK-8361426: (ref) Remove jdk.internal.ref.Cleaner (Enhancement - P4)

Reviewers

• Jaikiran Pai (@jaikiran - Reviewer)
• Viktor Klang (@viktorklang-ora - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/26141/head:pull/26141
$ git checkout pull/26141

Update a local copy of the PR:
$ git checkout pull/26141
$ git pull https://git.openjdk.org/jdk.git pull/26141/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 26141

View PR using the GUI difftool:
$ git pr show -t 26141

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/26141.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back kbarrett! 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]

@kimbarrett 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:

8361426: (ref) Remove jdk.internal.ref.Cleaner

Reviewed-by: jpai, vklang

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 30 new commits pushed to the master branch:

• 8533194: 8361570: Incorrect 'sealed is not allowed here' compile-time error
• 63e08d4: 8361175: JFR: Document differences between method sample events
• 5c67e3d: 8361353: [PPC64] C2: Add nodes UMulHiL, CmpUL3, UMinV, UMaxV, NegVI
• ... and 27 more: https://git.openjdk.org/jdk/compare/f2d2eef988c57cc9f6194a8fd5b2b422035ee68f...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.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

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

• core-libs

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing list. If you would like to change these labels, use the /label pull request command.

[mlbridge]

Webrevs

• 00: Full (b2c75c57)

[jaikiran]

This looks OK to me and matches with what was discussed about this in a recent PR #25289 (comment).

It would be good to get another review for this before integrating.

[kimbarrett]

@jaikiran requested another reviewer, so

/reviewers 2

[openjdk]

@kimbarrett
The total number of required reviews for this PR (including the jcheck configuration and the last /reviewers command) is now set to 2 (with at least 1 Reviewer, 1 Author).

[viktorklang-ora]

Thanks Kim!

[kimbarrett]

Thanks for reviews @jaikiran and @viktorklang-ora

[kimbarrett]

/integrate

[openjdk]

Going to push as commit 117f0b4.
Since your change was applied there have been 37 commits pushed to the master branch:

• dedcce0: 8360942: [ubsan] aotCache tests trigger runtime error: applying non-zero offset 16 to null pointer in CodeBlob::relocation_end()
• 03526e2: 8355960: JvmtiAgentList::Iterator dtor double free with -fno-elide-constructors
• 1de2ace: 8361529: GenShen: Fix bad assert in swap card tables
• ... and 34 more: https://git.openjdk.org/jdk/compare/f2d2eef988c57cc9f6194a8fd5b2b422035ee68f...master

Your commit was automatically rebased without conflicts.

[openjdk]

@kimbarrett Pushed as commit 117f0b4.

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