jlink: pre-generate lambda classes

[Mark Reinhold]

2023/7/27 10:34:23 -0400, heidinga at redhat.com:
> With Mark's announcement that the leyden repo is now open, I'd like to
> refresh this request to push the experimental jlink plugin to pregenerate
> lambda classes to the the repo.
> 
>> If you’d like to create a new branch for collaborative prototyping work,
>> please send a short note to this list describing its name and intended
>> content.
> 
> Suggested branch name: pregenerate-lambdas
> Purpose: Share the jlink plugin and jdk changes required to pregenerate
> lambda classes during jlink.  This branch would be an initial example of
> how to address some of the issues (like nestmates) when timeshifting code
> generation from runtime to jlink time.  It's also a good starting point for
> further collaboration on how to best address Serializable lambdas and any
> other areas (Stacktrace differences,....) that may be exposed related to
> timeshifting code generation.

Dan -- thanks for your patience.

No approval is needed to create a new branch, just a clear statement of
name and intent.  Please proceed.

- Mark