R=titzer@chromium.org

Bug: v8:8238
Change-Id: I458656fcd04b7d27054717842910d563d81c5392
Reviewed-on: https://chromium-review.googlesource.com/c/1332301Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57575}