R=jkummerow@chromium.org

Bug: v8:6791
Change-Id: I7b3efcd0033ecb8c872342cd573f416fd22daf73
Reviewed-on: https://chromium-review.googlesource.com/707006Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48402}