On Thu, 9 Feb 2023 16:20:31 GMT, Tingjun Yuan <d...@openjdk.org> wrote:
> Currently, the two subclasses of `java.util.EnumSet` optimize bulk operations > when the argument is also a `EnumSet`, but there is no such optimization for > wrapper sets (returned by `Collections.unmodifiableSet`, > `Collections.synchronizedSet`, etc.) and immutable sets (returned by `Set.of` > methods) of `Enum`s. > > This PR introduces optimization classes for these situations. No public APIs > are changed. Oops, my bad. Please ignore the merge warning. I've just add several tests for `Set.of` factories. By the way, I've just built the JDK successfully on my Mac, and the tests run successfully too. Let me know if it fails on other operating systems. ------------- PR: https://git.openjdk.org/jdk/pull/12498
