8263030: Remove Shenandoah leftovers from ReferenceProcessor

[shipilev]

Shenandoah is no longer using the shared ReferenceProcessor. We can remove remaining Shenandoah leftovers there.

Additional testing:

• Linux x86_64 fastdebug, hotspot_gc_shenandoah

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
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Issue

• JDK-8263030: Remove Shenandoah leftovers from ReferenceProcessor

Download

$ git fetch https://git.openjdk.java.net/jdk16u pull/81/head:pull/81
$ git checkout pull/81

[bridgekeeper]

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[openjdk]

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

[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:

8263030: Remove Shenandoah leftovers from ReferenceProcessor

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 no new commits pushed to the master branch. If another commit should be pushed before you perform the /integrate command, your PR will be automatically rebased. If you prefer to avoid any potential 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.

[mlbridge]

Webrevs

• 00: Full (afdf29b)

[shipilev]

/integrate

[openjdk]

@shipilev Since your change was applied there have been 5 commits pushed to the master branch:

• 71102e7: 8263136: C4530 was reported from VS 2019 at access bridge
• db7b1c9: 8263430: Uninitialized Method* variables after JDK-8233913
• 0aeeebb: 8263557: Possible NULL dereference in Arena::destruct_contents()
• 7ba457a: 8262829: Native crash in Win32PrintServiceLookup.getAllPrinterNames()
• 86a970d: 8262446: DragAndDrop hangs on Windows

Your commit was automatically rebased without conflicts.

Pushed as commit 2c6b47c.

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