Merge jdk20

[JesperIRL]

Forwardport JDK 20 -> JDK 21

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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

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk pull/12103/head:pull/12103
$ git checkout pull/12103

Update a local copy of the PR:
$ git checkout pull/12103
$ git pull https://git.openjdk.org/jdk pull/12103/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 12103

View PR using the GUI difftool:
$ git pr show -t 12103

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/12103.diff

[bridgekeeper]

👋 Welcome back jwilhelm! 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]

@JesperIRL 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:

Merge

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential 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]

@JesperIRL The following labels will be automatically applied to this pull request:

• build
• hotspot

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

[mlbridge]

Webrevs

• 00: Merge target (master) - Merge source (jdk20) (677904ce)

[JesperIRL]

/integrate

[openjdk]

Going to push as commit dfcd65c.
Since your change was applied there has been 1 commit pushed to the master branch:

• f2a1eb9: 8300698: Missing @SInCE tag for ClassFileFormatVersion.RELEASE_21

Your commit was automatically rebased without conflicts.

[openjdk]

@JesperIRL Pushed as commit dfcd65c.

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