BUG=v8:8293

Change-Id: I1d0e75f8671d3ec1c899c65bb9a865f2358173de
Reviewed-on: https://chromium-review.googlesource.com/c/1280527
Commit-Queue: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57042}