... by making them const or converting them to pointers.

Bug: v8:9429
Change-Id: If4a7832944f5dc35cec04c11087499a552a7469a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1700073
Commit-Queue: Georg Neis <neis@chromium.org>
Auto-Submit: Georg Neis <neis@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62705}