R=ahaas@chromium.org

Bug: v8:6600
Change-Id: I0f82f60dae124167d5dfb05b3ecb6f8b0be7c2f4
Reviewed-on: https://chromium-review.googlesource.com/995458Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52360}