A TracedReference handle may be moved into a slot of an already
processed object, requiring a write barrier.

Bug: chromium:1322114
Change-Id: I9c1018422df896c5753b213ebc4a7a7df79c0d80
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3703840
Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/main@{#81124}