Integrated: 8340572: ConcurrentModificationException when sorting ArrayList sublists

[Attila Szegedi]

On Sun, 29 Sep 2024 17:44:30 GMT, Attila Szegedi <attila at openjdk.org> wrote:

> Fixes a regression with #17818 where `ArrayList.subList(…).sort()` started incrementing `ArrayList.modCount` resulting in some cases throwing a `ConcurrentModificationException` where none was thrown before.
> 
> This change keeps the optimization from #17818 but restores the behavior where only sorting the `ArrayList` changes the mod count, but sorting its sublists does not.

This pull request has now been integrated.

Changeset: 260d4658
Author:    Attila Szegedi <attila at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/260d4658aefe370d8994574c20057de07fd6f197
Stats:     61 lines in 2 files changed: 60 ins; 1 del; 0 mod

8340572: ConcurrentModificationException when sorting ArrayList sublists

Reviewed-by: smarks

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PR: https://git.openjdk.org/jdk/pull/21250