R=petermarshall@chromium.org

Bug: v8:7754
Change-Id: I70e433cda81629496aef0b5b2c8b379787765c31
Reviewed-on: https://chromium-review.googlesource.com/1144932
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54586}