R=jgruber@chromium.org

Bug: v8:6624
Change-Id: I4929a404999cf4d2c12471d5ee13533234fbcf7e
Reviewed-on: https://chromium-review.googlesource.com/645126Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47730}