8323210: Update the usage of cmsFLAGS_COPY_ALPHA

[mrserb]

Implementation of cmsFLAGS_COPY_ALPHA in littlecms 2.16 is changed to throw an exception:

• if the number of extra channels in src and dst are different.
• If dst does not have an alpha but src has
• If src does not have an alpha but dst has

Exception does not occurred if the number of extra channels are the same(even if both are zero)

---

Progress

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Issue

• JDK-8323210: Update the usage of cmsFLAGS_COPY_ALPHA (Bug - P4)

Reviewers

• Phil Race (@prrace - Reviewer)

Reviewing

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[openjdk]

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[mlbridge]

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• 00: Full (8deb0771)

[openjdk]

@mrserb 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:

8323210: Update the usage of cmsFLAGS_COPY_ALPHA

Reviewed-by: prr

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 21 new commits pushed to the master branch:

• bc05893: 8323318: Remove unused Space::is_free_block
• dd8ae61: 8322237: Heap dump contains duplicate thread records for mounted virtual threads
• ee98d26: 8323066: gc/g1/TestSkipRebuildRemsetPhase.java fails with 'Skipping Remembered Set Rebuild.' missing
• 886386c: 8322890: Directly return in OldPLABSizeConstraintFunc
• 438ab7c: 8323284: Remove unused FilteringClosure declaration
• 52c7ff1: 8322330: JavadocHelperTest.java OOMEs with Parallel GC and ZGC
• ff499ef: 8233443: G1 DetailedUsage class names overly generic for global namespace
• 37a6172: 8322936: Update blessed-modifier-order.sh for default, sealed, and non-sealed
• 7d42aa1: 8310277: jdk/javadoc/doclet/testMethodCommentAlgorithm/TestMethodCommentsAlgorithm.java fails with IllegalStateException
• 6e9671a: 8323264: Serial: Remove unused GenerationBlockSizeClosure
• ... and 11 more: https://git.openjdk.org/jdk/compare/8a4dc79e1a40e7115e2971af81623b6b0368f41c...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.

[mrserb]

/integrate

[openjdk]

Going to push as commit aba1933.
Since your change was applied there have been 22 commits pushed to the master branch:

• f3be138: 8322809: SystemModulesMap::classNames and moduleNames arrays do not match the order
• bc05893: 8323318: Remove unused Space::is_free_block
• dd8ae61: 8322237: Heap dump contains duplicate thread records for mounted virtual threads
• ee98d26: 8323066: gc/g1/TestSkipRebuildRemsetPhase.java fails with 'Skipping Remembered Set Rebuild.' missing
• 886386c: 8322890: Directly return in OldPLABSizeConstraintFunc
• 438ab7c: 8323284: Remove unused FilteringClosure declaration
• 52c7ff1: 8322330: JavadocHelperTest.java OOMEs with Parallel GC and ZGC
• ff499ef: 8233443: G1 DetailedUsage class names overly generic for global namespace
• 37a6172: 8322936: Update blessed-modifier-order.sh for default, sealed, and non-sealed
• 7d42aa1: 8310277: jdk/javadoc/doclet/testMethodCommentAlgorithm/TestMethodCommentsAlgorithm.java fails with IllegalStateException
• ... and 12 more: https://git.openjdk.org/jdk/compare/8a4dc79e1a40e7115e2971af81623b6b0368f41c...master

Your commit was automatically rebased without conflicts.

[openjdk]

@mrserb Pushed as commit aba1933.

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