R=jarin@chromium.org

Bug: v8:6791
Change-Id: Ie030a79accebd7c43f19bcebefa7cd1951d67c2e
Reviewed-on: https://chromium-review.googlesource.com/808937Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49999}