8383611: assert(count == os::processor_count() + 1) failed: invalid enumeration!

[raneashay]

Without this patch, several existing tests in JDK25u fail with a JVM crash. Patch applies cleanly; no modifications were needed.

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Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8383611 needs maintainer approval

Issue

• JDK-8383611: assert(count == os::processor_count() + 1) failed: invalid enumeration! (Bug - P4 - Requested)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk25u-dev.git pull/604/head:pull/604
$ git checkout pull/604

Update a local copy of the PR:
$ git checkout pull/604
$ git pull https://git.openjdk.org/jdk25u-dev.git pull/604/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 604

View PR using the GUI difftool:
$ git pr show -t 604

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Download this PR as a diff file:
https://git.openjdk.org/jdk25u-dev/pull/604.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back arane! 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.

[openjdk]

⚠️ @raneashay 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.

[raneashay]

/approval request Several tests like test/jdk/jdk/jfr/event/os/TestCPULoad.java and test/hotspot/jtreg/runtime/cds/appcds/TestWithProfiler.java fail with a JVM crash (assertion failure) without this patch on Windows systems where the number of processors exceeds 64.

[openjdk]

@raneashay
8383611: The approval request has been created successfully.

[mlbridge]

Webrevs

• 00: Full (7518f0d4)

[raneashay]

The GitHub workflow error ("Cannot find GNU make 3.81 or newer!") is due to an unrelated problem that is visible for other PRs, including on JDK tip.