BUG=v8:9684

Change-Id: I064b552b021597a80e57303cab3c2fbf552be6a2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2463228
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70427}