WebRTC should be compiled with thread-safe statics Thread-safe statics are standard c++ feature that many projects depend on. Appears that WebRTC is compiled with thread-safe statics upstream. Since the project uses threads, it would probably be wise to compile WebRTC as expected.
Created attachment 426664 [details] Patch
Committed r276362 (236840@main): <https://commits.webkit.org/236840@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 426664 [details].
<rdar://problem/77049667>
See the radar of bug 225104