Below change canceled removing x18 from restore_list for deoptimization
entries, but it also doesn't remove it from the saved_register list
which causes x18 be restored incorrectly when deopt happens.

https://chromium-review.googlesource.com/c/v8/v8/+/1583762

Bug: chromium:893460
Change-Id: Iccb950150a07119a3642dc42f044e94eb49db76e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1600674Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61342}