8360775: Fix Shenandoah GC test failures when APX is enabled

[vamsi-parasa]

Hello Everyone,

This pull request contains a backport of commit 1c560727 from the openjdk/jdk repository.

This is a P3 bug which fixes issue with shenandoah tests when APX is used.

The commit being backported was authored by Srinivas Vamsi Parasa on 4 Jul 2025 and was reviewed by Sandhya Viswanathan, Jatin Bhateja and Emanuel Peter.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8360775 needs maintainer approval

Issue

• JDK-8360775: Fix Shenandoah GC test failures when APX is enabled (Bug - P3 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk25u.git pull/14/head:pull/14
$ git checkout pull/14

Update a local copy of the PR:
$ git checkout pull/14
$ git pull https://git.openjdk.org/jdk25u.git pull/14/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 14

View PR using the GUI difftool:
$ git pr show -t 14

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk25u/pull/14.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

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[openjdk]

@vamsi-parasa 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:

8360775: Fix Shenandoah GC test failures when APX is enabled

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[openjdk]

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

[openjdk]

⚠️ @vamsi-parasa 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.

[openjdk]

@vamsi-parasa usage: /approval [<id>] (request|cancel) [<text>]

[mlbridge]

Webrevs

• 00: Full (c43d1186)

[openjdk]

@vamsi-parasa This issue is not associated with this pull request.

[openjdk]

@vamsi-parasa usage: /approval [<id>] (request|cancel) [<text>]

[vamsi-parasa]

/approval 8360775 request backport

[openjdk]

@vamsi-parasa
8360775: The approval request has been created successfully.

[vamsi-parasa]

Created this PR by mistake. The original intention was to backport to jdk25 (not jdk25u). Sorry for the inconvenience caused!