ANGLE changes.diff contains differences that are from stale files or unneeded
Created attachment 456690 [details] Patch
Note that there are important steps to take when updating ANGLE. See https://trac.webkit.org/wiki/UpdatingANGLE
Committed r292392 (249257@main): <https://commits.webkit.org/249257@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 456690 [details].
<rdar://problem/91290448>