6176679: Application freezes when copying an animated gif image to the system clipboard

[GoeLin]

I backport this for parity with 17.0.9-oracle.

---

Progress

• Change must not contain extraneous whitespace
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Issue

• JDK-6176679: Application freezes when copying an animated gif image to the system clipboard (Bug - P3)

Reviewing

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Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk17u-dev.git pull/1546/head:pull/1546
$ git checkout pull/1546

Update a local copy of the PR:
$ git checkout pull/1546
$ git pull https://git.openjdk.org/jdk17u-dev.git pull/1546/head

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Checkout this PR locally:
$ git pr checkout 1546

View PR using the GUI difftool:
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[bridgekeeper]

👋 Welcome back goetz! 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]

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

[openjdk]

@GoeLin 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:

6176679: Application freezes when copying an animated gif image to the system clipboard

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[mlbridge]

Webrevs

• 00: Full (68c0f679)

[GoeLin]

/integrate

[openjdk]

Going to push as commit 3b4df97.
Since your change was applied there have been 8 commits pushed to the master branch:

• 2bc77e3: 8299713: Test javax/swing/JTableHeader/6889007/bug6889007.java failed: Wrong type of cursor
• 50399e3: 8304314: StackWalkTest.java fails after CODETOOLS-7903373
• fc08b73: 8307348: Parallelize heap walk for ObjectCount(AfterGC) JFR event collection
• 43f14e4: 8311249: Remove unused MemAllocator::obj_memory_range
• 8a9162f: 8268852: AsyncLogWriter should not overide is_Named_thread()
• 688a823: 8307299: Move more DnD tests to open
• 93bfec2: 8307083: Open source some drag and drop tests 3
• b3cf45a: 8306812: Open source several AWT Miscellaneous tests

Your commit was automatically rebased without conflicts.

[openjdk]

@GoeLin Pushed as commit 3b4df97.

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