Eager evaluation in DevTools console relies on the builtins side
effect attribution.

Setters on Date object should be marked as no side effects if called
on the temporary object.

This bug was uncovered after considering screenshot from a tweet [1].

[1] https://twitter.com/shuding_/status/1362132984376160256

Change-Id: Iedc0e29e2bdab719304e2f0a0435845f24eaaadc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2703459Reviewed-by: Yang Guo <yangguo@chromium.org>
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72835}