architecture.

Bug: v8:8402
Change-Id: I13928b6946b8fa68ccd8d329c8a0856313a10571
Reviewed-on: https://chromium-review.googlesource.com/c/1357159Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Commit-Queue: Junliang Yan <jyan@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#57999}