R=jkummerow@chromium.org

Bug: v8:6791
Change-Id: I765790d8b163aff6725900f19e95a914c75a0fe9
Reviewed-on: https://chromium-review.googlesource.com/752521
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49132}