On Fri, 13 Sep 2024 23:51:23 GMT, Claes Redestad <redes...@openjdk.org> wrote:
>> src/java.base/share/classes/java/lang/invoke/MethodHandles.java line 2223: >> >>> 2221: } >>> 2222: >>> 2223: return makeHiddenClassDefiner(bytes.clone(), false, >>> options.clone()) >> >> Why do we need to clone here, but not in `defineHiddenClass`? >> `makeHiddenClassDefiner` seems to always turn the options in flags right >> away, so I don't think we need to clone? > > I started out adding the .clone() as a standard precaution, analyzed to make > sure it wasn't needed then removed it in one out of two places. Now both > removed. The public methods used to throw `IllegalArgumentException` when duplicate class options were passed though, as a result of using [`Set.of(…)`]. [`Set.of(…)`]: https://docs.oracle.com/en/java/javase/22/docs/api/java.base/java/util/Set.html#of(E...) ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/21002#discussion_r1759690770