RFR: 8333647: C2 SuperWord: some additional PopulateIndex tests [v2]

[Vladimir Kozlov]

On Thu, 6 Jun 2024 06:35:02 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> When I did the deep refactoring in https://github.com/openjdk/jdk/pull/19261, I wanted some more tests for `PopulateIndex`. I push them separately to keep the other RFE smaller.
>> 
>> I filed a follow-up RFE for some cases that do not vectorize: https://bugs.openjdk.org/browse/JDK-8332878
>
> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
> 
>   copyright

Good.

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Marked as reviewed by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/19558#pullrequestreview-2102035925