<div style="word-break: break-all"><span>foo</span><span>.bar</span></div> when '.bar' overflows, we can't just simply break at "foo", we need to take adjacent content (in separate inline box) into account.
Created attachment 442318 [details] Patch
Created attachment 442319 [details] Patch with dependencies
Created attachment 442324 [details] Patch
Created attachment 442325 [details] Patch with dependencies
Committed r284782 (243491@main): <https://commits.webkit.org/243491@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 442324 [details].
<rdar://problem/84613183>