RFR: 8325679: Optimize ArrayList subList sort [v4]

[Attila Szegedi]

On Mon, 19 Feb 2024 10:05:24 GMT, Attila Szegedi <attila at openjdk.org> wrote:

>> Somewhat surprisingly, `ArrayList$Sublist.sort()` is not specialized and will thus fall back to slower default method of `List.sort()` instead of sorting a range of the array in-place in its backing root `ArrayList`. 
>> 
>> This doesn't change observable behavior, so haven't added tests, and `tier1` tests still all pass except for `test/jdk/java/util/Locale/LocaleProvidersFormat.java` which also currently fails on master too on the machine I tested on.
>
> Attila Szegedi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove test

Keep it open, please.

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PR Comment: https://git.openjdk.org/jdk/pull/17818#issuecomment-2102305815