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. ------------- Commit messages: - Add sort specialization for ArrayList Changes: https://git.openjdk.org/jdk/pull/17818/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17818&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8325679 Stats: 14 lines in 1 file changed: 12 ins; 1 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/17818.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/17818/head:pull/17818 PR: https://git.openjdk.org/jdk/pull/17818
