R=jgruber@chromium.org

Bug: v8:5717
Change-Id: I715aa8e807d479056044f364410bbce62d23c593
Reviewed-on: https://chromium-review.googlesource.com/560996Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46422}