[jdk25u-dev] RFR: 8367372: Test `test/hotspot/jtreg/gc/TestObjectAlignmentCardSize.java` fails on 32 bit systems

[duke]

On Thu, 29 Jan 2026 19:18:18 GMT, Roland Mesde <duke at openjdk.org> wrote:

> Backporting JDK-8367372: Test test/hotspot/jtreg/gc/TestObjectAlignmentCardSize.java fails on 32 bit systems.
> 
> This PR fixes the TestObjectAlignmentCardSize.java failures on 32-bit systems caused by unsupported ObjectAlignmentInBytes flag.
> 
> For parity with Oracle JDK.
> 
> Ran related tests on linux-x64, linux-aarch64, macos-aarch64 and windows-x64:
> 
> make test TEST=test/hotspot/jtreg/gc/TestObjectAlignmentCardSize.java
> 
> Results attached:
> 
> [windows-x64-specific-test.log](https://github.com/user-attachments/files/24969291/windows-x64-specific-test.log)
> [macos-aarch64-specific-test.log](https://github.com/user-attachments/files/24969292/macos-aarch64-specific-test.log)
> [linux-x64-specific-test.log](https://github.com/user-attachments/files/24969293/linux-x64-specific-test.log)
> [linux-aarch64-specific-test.log](https://github.com/user-attachments/files/24969294/linux-aarch64-specific-test.log)

@rm-gh-8 
Your change (at version ad79cb464429a3d73d047ab00ed41b5ca972cd0c) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk25u-dev/pull/204#issuecomment-3835929598