8248318: Remove superfluous use of boxing in ObjectStreamClass

[FrauBoes]

This change removes some instances of superfluous boxing in java.io.ObjectStreamClass.
Testing: tier 1-3 all clear.

---

Progress

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

Issue

• JDK-8248318: Remove superfluous use of boxing in ObjectStreamClass

Reviewers

• Jim Laskey (@JimLaskey - Reviewer)
• @vyommani (no known github.com user name / role)
• Daniel Fuchs (@dfuch - Reviewer)
• Roger Riggs (@RogerRiggs - Reviewer)
• Chris Hegarty (@ChrisHegarty - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk pull/2641/head:pull/2641
$ git checkout pull/2641

[bridgekeeper]

👋 Welcome back jboes! 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]

@FrauBoes The following label will be automatically applied to this pull request:

• core-libs

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[mlbridge]

Webrevs

• 00: Full (f8515b4)

[openjdk]

@FrauBoes 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:

8248318: Remove superfluous use of boxing in ObjectStreamClass

Reviewed-by: jlaskey, dfuchs, rriggs, chegar

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 35 new commits pushed to the master branch:

• 6b7575b: 8228748: Remove GCLocker::_doing_gc
• c20fb5d: 8261448: Preserve GC stack watermark across safepoints in StackWalk
• 26c1db9: 8254239: G1ConcurrentMark.hpp unnecessarily disables MSVC++ warning 4522.
• 0c21dd0: 6206189: Graphics2D.clip specifies incorrectly that a 'null' is a valid value for this method
• 2b55501: 8261949: fileStream::readln returns incorrect line string
• 539c80b: 8261702: ClhsdbFindPC can fail due to PointerFinder incorrectly thinking an address is in a .so
• 564011c: 8261290: Improve error message for NumberFormatException on null input
• 18188c2: 8261692: Bugs in clhsdb history support
• 0825bc5: 8261929: ClhsdbFindPC fails with java.lang.RuntimeException: 'In java stack' missing from stdout/stderr
• c2509ea: 8261857: serviceability/sa/ClhsdbPrintAll.java failed with "Test ERROR java.lang.RuntimeException: 'cannot be cast to' found in stdout"
• ... and 25 more: https://git.openjdk.java.net/jdk/compare/9cf4f90d34fa17c8e9cbe2c4132ff5d7f3d692b7...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.

[vyommani]

Looks ok to me.

[dfuch]

LGTM. Please add a noreg-cleanup label to the JBS issue.

[ChrisHegarty]

LGTM.

Optionally (and trivially), you could update the JIRA description, from "Examine" to "Remove superfluous use of ..." ( or some such )

[FrauBoes]

/integrate

[openjdk]

@FrauBoes Since your change was applied there have been 35 commits pushed to the master branch:

• 6b7575b: 8228748: Remove GCLocker::_doing_gc
• c20fb5d: 8261448: Preserve GC stack watermark across safepoints in StackWalk
• 26c1db9: 8254239: G1ConcurrentMark.hpp unnecessarily disables MSVC++ warning 4522.
• 0c21dd0: 6206189: Graphics2D.clip specifies incorrectly that a 'null' is a valid value for this method
• 2b55501: 8261949: fileStream::readln returns incorrect line string
• 539c80b: 8261702: ClhsdbFindPC can fail due to PointerFinder incorrectly thinking an address is in a .so
• 564011c: 8261290: Improve error message for NumberFormatException on null input
• 18188c2: 8261692: Bugs in clhsdb history support
• 0825bc5: 8261929: ClhsdbFindPC fails with java.lang.RuntimeException: 'In java stack' missing from stdout/stderr
• c2509ea: 8261857: serviceability/sa/ClhsdbPrintAll.java failed with "Test ERROR java.lang.RuntimeException: 'cannot be cast to' found in stdout"
• ... and 25 more: https://git.openjdk.java.net/jdk/compare/9cf4f90d34fa17c8e9cbe2c4132ff5d7f3d692b7...master

Your commit was automatically rebased without conflicts.

Pushed as commit e9d7c07.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.