Collect selectors we can use to test if :has status actually changed before invalidating.
Created attachment 448920 [details] Patch
Created attachment 448934 [details] Patch
Committed r287973 (246002@main): <https://commits.webkit.org/246002@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 448934 [details].
<rdar://problem/87533906>