R=clemensh@chromium.org
BUG=v8:7549

Change-Id: I57d5065490703e0106a87bbb6855e750ee5ca34a
Reviewed-on: https://chromium-review.googlesource.com/959002
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51887}