R=jarin@chromium.org

Bug: v8:8671, v8:8674
Change-Id: I5cdcd49d05f08206aa32426f2fe0560568291f2e
Reviewed-on: https://chromium-review.googlesource.com/c/1405852
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58739}