RFR: 8324751: C2 SuperWord: Aliasing Analysis runtime check [v22]

[Emanuel Peter]

On Fri, 22 Aug 2025 16:18:17 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   add test for related report for JDK-8365982
>
> This looks like "rabbit hole" :(
> 
> May be file a separate RFE to investigate this behavior later by some other engineer.  Most concerning is that reproduced on different platforms.
> 
> I agree that we may accept this regression since it happened in corner case. I assume our benchmarks are not affected by this. Right?

@vnkozlov The internal benchmark testing is complete, there are no significant regressions, and there are some improvements, see the last message.

I also ran the TestAliasingFuzzer.java a few extra times, to ensure it does not fail on integration.

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PR Comment: https://git.openjdk.org/jdk/pull/24278#issuecomment-3226951021