8261842: Shenandoah: cleanup ShenandoahHeapRegionSet

[shipilev]

There are a couple of stale/unused methods in ShenandoahHeapRegionSet that we can eliminate instead of improving them, for example in JDK-8261838.

Additional testing:

• Linux x86_64 hotspot_gc_shenandoah

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed

Issue

• JDK-8261842: Shenandoah: cleanup ShenandoahHeapRegionSet

Reviewers

• Roman Kennke (@rkennke - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk pull/2592/head:pull/2592
$ git checkout pull/2592

[bridgekeeper]

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[openjdk]

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

• hotspot-gc
• shenandoah

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[mlbridge]

Webrevs

• 00: Full (96fe51b)

[rkennke]

Ok!

[openjdk]

@shipilev 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:

8261842: Shenandoah: cleanup ShenandoahHeapRegionSet

Reviewed-by: rkennke

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 5 new commits pushed to the master branch:

• 0a50688: 8241372: Several test failures due to javax.net.ssl.SSLException: Connection reset
• 61a659f: 8260415: Remove unused class ReferenceProcessorMTProcMutator
• 6b6f794: 8248223: KeyAgreement spec update on multi-party key exchange support
• 8ba390d: 8261753: Test java/lang/System/OsVersionTest.java still failing on BigSur patch versions after JDK-8253702
• 16bd7d3: 8261336: IGV: enhance default filters

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this 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.

[shipilev]

/integrate

[openjdk]

@shipilev Since your change was applied there have been 10 commits pushed to the master branch:

• fc1d032: 8261125: Move VM_Operation to vmOperation.hpp
• d547e1a: 8261123: Augment discussion of equivalence classes in Object.equals and comparison methods
• 2677f6f: 8261675: ObjectValue::set_visited(bool) sets _visited false
• e7e20d4: 8261711: Clhsdb "versioncheck true" throws NPE every time
• 55d7bbc: 8261607: SA attach is exceeding JNI Local Refs capacity
• 0a50688: 8241372: Several test failures due to javax.net.ssl.SSLException: Connection reset
• 61a659f: 8260415: Remove unused class ReferenceProcessorMTProcMutator
• 6b6f794: 8248223: KeyAgreement spec update on multi-party key exchange support
• 8ba390d: 8261753: Test java/lang/System/OsVersionTest.java still failing on BigSur patch versions after JDK-8253702
• 16bd7d3: 8261336: IGV: enhance default filters

Your commit was automatically rebased without conflicts.

Pushed as commit d195033.

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