[lworld] RFR: 8356963: [lworld] MemNode::optimize_simple_memory_chain fails with "sanity check for basic cases" [v4]

Tobias Hartmann thartmann at openjdk.org
Tue May 20 06:38:05 UTC 2025


On Sun, 18 May 2025 07:08:43 GMT, Quan Anh Mai <qamai at openjdk.org> wrote:

>> Many thanks to @TobiHartmann for the speedy investigation. This patch fixes the issue by adding a `ciField` for the null marker. I also do a small change to make the name of the `ciField` of a flattened field clearer. I think adding a scenario to test flattening of nullable and atomic fields is necessary. There are some failures that I filed https://bugs.openjdk.org/browse/JDK-8357061 for the investigation.
>> 
>> Please kindly review, thanks a lot.
>
> Quan Anh Mai has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix SigEntry comparison

Testing all passed.

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PR Comment: https://git.openjdk.org/valhalla/pull/1456#issuecomment-2893127747


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