R=rmcilroy@chromium.org
BUG=v8:4203

Change-Id: I6741eaff237daa32fd4e88a125ebd51fe80d2adb
Reviewed-on: https://chromium-review.googlesource.com/583655
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#46879}