RFR: 8347554: [BACKOUT] C2: implement optimization for series of Add of unique value

Tue Jan 14 10:58:39 UTC 2025

On Mon, 13 Jan 2025 15:27:26 GMT, Kangcheng Xu <kxu at openjdk.org> wrote:

>> The Java Fuzzer found a wrong execution which could be traced back to [JDK-8325495](https://bugs.openjdk.org/browse/JDK-8325495) which went into JDK 24. Since we are close to RDP 2, a backout seems the safest option for JDK 24. A REDO can be done for JDK 25 @tabjy.
>> 
>> Details about the wrong execution and how to trigger it can be found in the JBS description of this backout.
>> 
>> The backout applied cleanly.
>> 
>> Thanks,
>> Christian
>
> I'll look into this. Sorry for having you to roll back the changes!

No worries @tabjy! :-)

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PR Comment: https://git.openjdk.org/jdk/pull/23066#issuecomment-2589604868