Use CheckedLock more in IPC::Connection. This is heavily multithreaded code and it would benefit significantly from Clang Thread Safety Analysis.
Created attachment 429174 [details] Patch
Committed r277806 (237961@main): <https://commits.webkit.org/237961@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 429174 [details].
<rdar://problem/78269352>