R=jarin@chromium.org

Bug: v8:6791
Change-Id: I9d3787f670d44d68cc2c6474621b6c6a25642e5a
Reviewed-on: https://chromium-review.googlesource.com/803434Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#49896}