8352765: G1CollectedHeap::expand_and_allocate() may fail to allocate even after heap expansion succeeds

[jerboaa]

Clean backport. Testing this to verify a customer issue.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8352765 needs maintainer approval

Issue

• JDK-8352765: G1CollectedHeap::expand_and_allocate() may fail to allocate even after heap expansion succeeds (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/1924/head:pull/1924
$ git checkout pull/1924

Update a local copy of the PR:
$ git checkout pull/1924
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/1924/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 1924

View PR using the GUI difftool:
$ git pr show -t 1924

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/1924.diff

[bridgekeeper]

👋 Welcome back sgehwolf! 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 change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[openjdk]

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

[bridgekeeper]

@jerboaa This pull request has been inactive for more than 8 weeks and will be automatically closed if another 8 weeks passes without any activity. To avoid this, simply issue a /touch or /keepalive command to the pull request. Feel free to ask for assistance if you need help with progressing this pull request towards integration!

[jerboaa]

Closing in favor of #2024