R=clemensh@chromium.org
BUG=v8:6792,v8:7549

Change-Id: I1d153dcff729ed4c0863ae339ac7915efff3c33c
Reviewed-on: https://chromium-review.googlesource.com/968484Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52035}