And make the GC visit spilled references in the frame.

R=ahaas@chromium.org
CC=​fgm@chromium.org

Bug: v8:12191
Change-Id: Ida430f12a6de7658972e7890542fb02f7f7ddbb1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3226784
Commit-Queue: Thibaud Michaud <thibaudm@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77763}