8267612; Declare package-private VarHandle.AccessMode/AccessType counts

[cl4es]

Slightly reduce VarHandle startup overhead by introducing package-private COUNT constants for two enums

---

Progress

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

Issue

• JDK-8267612: Declare package-private VarHandle.AccessMode/AccessType counts

Reviewers

• Mandy Chung (@mlchung - Reviewer)

Reviewing

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[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (5b5e719f)
• 00: Full (89f7c64d)

[mlchung]

Looks good.

[openjdk]

@cl4es 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:

8267612: Declare package-private VarHandle.AccessMode/AccessType counts

Reviewed-by: mchung

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 62 new commits pushed to the master branch:

• c519ba2: 8267614: Outline VarHandleGuards exact behavior checks
• f690959: 8267446: Taskqueue code fails with assert(bottom_relaxed() == age_top_relaxed()) failed: not empty
• ebc9357: 8267329: Modernize Javadoc code to use instanceof with pattern matching
• 209769b: 8267347: CDS record_linking_constraint asserts with unregistered class
• a5467ae: 8267423: Fix copyrights in jpackage tests
• bb085f6: 8265362: java/net/Socket/UdpSocket.java fails with "java.net.BindException: Address already in use" (macos-aarch64)
• 640a2af: 8267184: Add -Djava.security.manager=allow to tests calling System.setSecurityManager
• f04db5f: 8224158: assertion related to NPE at DynamicCallSiteDesc::withArgs should be reworded
• 838a007: 8267584: The java.security.krb5.realm system property only needs to be defined once
• f2d880c: 8266400: importkeystore fails to a password less pkcs12 keystore
• ... and 52 more: https://git.openjdk.java.net/jdk/compare/9760dba71c07cf7b0df16590b3e84e23ad587621...master

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.

[cl4es]

Thanks Mandy!

/integrate

[openjdk]

@cl4es Since your change was applied there have been 71 commits pushed to the master branch:

• a52c4ed: 8267110: Update java.util to use instanceof pattern variable
• 0a03fc8: 8255674: SSLEngine class description is missing "case" in switch statement
• d86f916: 8267066: New NSAccessibility peers should return they roles and subroles directly
• 31d0f0d: 8248843: java in source-file mode suggests javac-only options
• 2e8812d: 8265129: Add intrinsic support for JVM.getClassId
• 123cdd1: 8264973: AArch64: Optimize vector max/min/add reduction of two integers with NEON pairwise instructions
• b4d4884: 8267126: javadoc should show "line and caret" for diagnostics.
• 461a3fe: 8261478: InstanceKlass::set_classpath_index does not match comments
• de27da7: 8267431: Rename InstanceKlass::has_old_class_version to can_be_verified_at_dumptime
• c519ba2: 8267614: Outline VarHandleGuards exact behavior checks
• ... and 61 more: https://git.openjdk.java.net/jdk/compare/9760dba71c07cf7b0df16590b3e84e23ad587621...master

Your commit was automatically rebased without conflicts.

Pushed as commit 66b190e.

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