R=mstarzinger@chromium.org

Bug: v8:8238
Change-Id: I93c9d2a643731766f15f4db1bf7647a85488a6d0
Reviewed-on: https://chromium-review.googlesource.com/c/1296454Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56906}