This was introduced in https://crrev.com/c/1703762.

R=titzer@chromium.org
CC=zhin@chromium.org

Change-Id: I3f13ab1ea1e87a2615883aa441581c62166f3587
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1709412Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62822}