R=jkummerow@chromium.org

Bug: v8:6791
Change-Id: I9eb5b9aeeb060d660ec41b7a3287089edd833197
Reviewed-on: https://chromium-review.googlesource.com/737796Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48992}