R=jkummerow@chromium.org

Bug: v8:6791
Change-Id: I2e9876577103d72cd5e2412e958b4bd832373899
Reviewed-on: https://chromium-review.googlesource.com/733132
Commit-Queue: Georg Neis <neis@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48864}