The field in JSFunction uses acquire-release semantics, therefore
the read is store-ordered.

Bug: v8:7790, v8:12282
Change-Id: Ic6e9d02e7aca1ca68c74502c3afed6eb6e964975
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3201992Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77218}