to invalidate inline content when the containing block's content box logical width changes (e.g. window resize)
Created attachment 438209 [details] Patch
Created attachment 438432 [details] Patch
Committed r282684 (241823@main): <https://commits.webkit.org/241823@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 438432 [details].
<rdar://problem/83251411>