R=ahaas@chromium.org

Bug: v8:6600
Change-Id: Iaa46324dfcf3b20f42d6a7448fca9ef2bbf241e9
Reviewed-on: https://chromium-review.googlesource.com/1027851
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52784}