R=petermarshall@chromium.org

Bug: v8:7570
Change-Id: I0418ea6d2eb114ddac4d7be1251f429596464b79
Reviewed-on: https://chromium-review.googlesource.com/1032438
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52887}