... in object literals.

Bug: chromium:997056
Change-Id: Ifc210ff53b751c6ef26f16b73c9ac52426a845fd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1813021Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#63894}