Akira Hatanaka 77f0f812b4
[Sema][ObjC] Treat unknown selector messages as unrecoverable errors under ARC (#146803)
Fixes a CodeGen crash observed when C++ auto variable types remained
non-deduced due to a message being sent with an unknown selector under
ARC.

By treating these instances as an unrecoverable error, we prevent the
compiler from proceeding to CodeGen with fundamentally incorrect code.

rdar://144394403
2025-07-03 10:01:08 -07:00
..