Otherwise we can cause many-second-long load hangs.
Created attachment 459972 [details] Patch
Comment on attachment 459972 [details] Patch r=me
Committed r295157 (251244@main): <https://commits.webkit.org/251244@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 459972 [details].
<rdar://problem/94320441>
<rdar://92870039>