... which might use an outdated result of a lookup.
Currently it's not an issue, since we don't reuse container's backing
stores allocated in zone memory.

Bug: v8:7790
Change-Id: I30cc0ba747fd704403422711d1f1a5952fe6d68c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2301931
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68894}