R=jkummerow@chromium.org

Bug: v8:6791
Change-Id: Id050eb583af2977e27a91f6ff9ab82c72df0ca2e
Reviewed-on: https://chromium-review.googlesource.com/711849Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48488}