By using a built-in this functions works with SafeStack and doesn't
require an attribute disabling ASan.

BUG=chromium:864705

Change-Id: I20cc818f1a0724a017a4f7f9ae3cd8fedb6245ee
Reviewed-on: https://chromium-review.googlesource.com/1141045
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Reviewed-by: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54884}