RFR: 8277965: Enclosing instance optimization affects serialization

[Joe Darcy]

On Wed, 1 Dec 2021 21:30:05 GMT, Liam Miller-Cushon <cushon at openjdk.org> wrote:

>> Marked as reviewed by darcy (Reviewer).
>
> @jddarcy thanks for the review!
> 
> To double-check before I integrate this, is anything still broken?
> 
> [JDK-8277718](https://bugs.openjdk.java.net/browse/JDK-8277718) mentions a decision to problem-list 3 JCK tests instead of backing this out, and in [JDK-8271717](https://bugs.openjdk.java.net/browse/JDK-8271717?focusedCommentId=14461616&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14461616) the issue with the JCK tests was described as a 'test bug'.
> 
> I'm happy back this out if, but I think it's worth considering keeping it (potentially after reverting it and having further discussion in a new CSR).

@cushon , please integrate this PR and we'll make any needed updates to problem lists, etc. Longer term, I'd expect continued discussion on interactions with serialization.

-------------

PR: https://git.openjdk.java.net/jdk/pull/6604