R=jkummerow@chromium.org

Bug: v8:6791
Change-Id: I9bbb4c6b9b387fa0cd29fa24058ae807157f40de
Reviewed-on: https://chromium-review.googlesource.com/707004
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48417}