8351233: [ASAN] avx2-emu-funcs.hpp:151:20: error: ‘D.82188’ is used uninitialized

[sendaoYan]

Hi all,

This pull request contains a backport of commit 895aabc4 from the openjdk/jdk repository.

The commit being backported was authored by SendaoYan on 30 Mar 2025 and was reviewed by Vladimir Ivanov.

Thanks!

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8351233 needs maintainer approval

Issue

• JDK-8351233: [ASAN] avx2-emu-funcs.hpp:151:20: error: ‘D.82188’ is used uninitialized (Bug - P3 - Approved)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk24u.git pull/164/head:pull/164
$ git checkout pull/164

Update a local copy of the PR:
$ git checkout pull/164
$ git pull https://git.openjdk.org/jdk24u.git pull/164/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 164

View PR using the GUI difftool:
$ git pr show -t 164

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk24u/pull/164.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back syan! 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]

@sendaoYan 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:

8351233: [ASAN] avx2-emu-funcs.hpp:151:20: error: ‘D.82188’ is used uninitialized

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 5 new commits pushed to the master branch:

• 322da3f: 8349501: Relocate supporting classes in security/testlibrary to test/lib/jdk tree
• c83786b: 8347000: Bug in com/sun/net/httpserver/bugs/B6361557.java test
• 90124fe: 8347296: WinInstallerUiTest fails in local test runs if the path to test work directory is longer that regular
• 3eba47b: 8347173: java/net/DatagramSocket/InterruptibleDatagramSocket.java fails with virtual thread factory
• 8a4953a: 8343607: C2: Shenandoah crashes during barrier expansion in Continuation::enter

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
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.

[openjdk]

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

[openjdk]

⚠️ @sendaoYan This change is now ready for you to apply for maintainer approval. This can be done directly in each associated issue or by using the /approval command.

[mlbridge]

Webrevs

• 00: Full (18bb7ff2)

[sendaoYan]

/approval request Clean backport to fix variable used uninitialized error reported by ASAN, almost no risk.

[openjdk]

@sendaoYan
8351233: The approval request has been created successfully.

[sendaoYan]

Thanks for the approved.

/integrate

[openjdk]

Going to push as commit dc5669a.
Since your change was applied there have been 11 commits pushed to the master branch:

• a793cd0: 8352716: (tz) Update Timezone Data to 2025b
• 931aaaa: 8330936: [ubsan] exclude function BilinearInterp and ShapeSINextSpan in libawt java2d from ubsan checks
• 04dbfe9: 8351277: Remove pipewire from AIX build
• a49d1a0: 8352946: SEGV_BND signal code of SIGSEGV missing from our signal-code table
• 2db3100: 8346888: [ubsan] block.cpp:1617:30: runtime error: 9.97582e+36 is outside the range of representable values of type 'int'
• f06759c: 8351665: Remove unused UseNUMA in os_aix.cpp
• 322da3f: 8349501: Relocate supporting classes in security/testlibrary to test/lib/jdk tree
• c83786b: 8347000: Bug in com/sun/net/httpserver/bugs/B6361557.java test
• 90124fe: 8347296: WinInstallerUiTest fails in local test runs if the path to test work directory is longer that regular
• 3eba47b: 8347173: java/net/DatagramSocket/InterruptibleDatagramSocket.java fails with virtual thread factory
• ... and 1 more: https://git.openjdk.org/jdk24u/compare/13e193266db4dfcfe7e9c4530a2c9b9bc33e95a9...master

Your commit was automatically rebased without conflicts.

[openjdk]

@sendaoYan Pushed as commit dc5669a.

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