Doing so will prevent a crash.
<rdar://problem/91126533>
Created attachment 456286 [details] Patch
Created attachment 456288 [details] Patch
<rdar://90925399>
Created attachment 456291 [details] Patch
Committed r292276 (249174@main): <https://commits.webkit.org/249174@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456291 [details].