8332154: Memory leak in SynchronousQueue

[shipilev]

Resolves the memory leak introduced in 22.

Additional testing:

• GHA

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8332154 needs maintainer approval

Issue

• JDK-8332154: Memory leak in SynchronousQueue (Bug - P3)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk22u.git pull/237/head:pull/237
$ git checkout pull/237

Update a local copy of the PR:
$ git checkout pull/237
$ git pull https://git.openjdk.org/jdk22u.git pull/237/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 237

View PR using the GUI difftool:
$ git pr show -t 237

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk22u/pull/237.diff

Webrev

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[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.

[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.

[mlbridge]

Webrevs

• 00: Full (07b15d0f)

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