On Wed, 19 Feb 2025 17:10:09 GMT, Coleen Phillimore <cole...@openjdk.org> wrote:
>> It was. Before the componentType field was reused for the class >> initialization monitor int array, and it caused problems with core >> reflection if a program reflectively accesses this field after a few hundred >> times. See [JDK-8337622](https://bugs.openjdk.org/browse/JDK-8337622). > > Yes, this comment is obsolete. We used to share the componentType mirror > with an internal 'init-lock' but it caused a bug that was fixed. If it's not > an array the componentType is now always null. So for JDK 8 and 21+, the init_lock and componentType are not shared. In JDK 11 and 17, Hotspot shares the fields, but it's not observable with the older implementation of reflection. See https://bugs.openjdk.org/browse/JDK-8337622. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/23572#discussion_r1962189932
