Use Checked aliases instead of Checked<T, RecordOverflow>.
Created attachment 430348 [details] Patch
Comment on attachment 430348 [details] Patch r=me
Committed r278351 (238383@main): <https://commits.webkit.org/238383@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 430348 [details].
<rdar://problem/78765340>