[compiler-rt] [llvm] Fix Objective-C selector registration in clang-repl MachO runtime (PR #215359)

[Lang Hames via llvm-commits]

lhames wrote:

I think the approach in https://github.com/llvm/llvm-project/pull/217988 is the way to go (see https://github.com/llvm/llvm-project/issues/213425#issuecomment-5362982299).

https://github.com/llvm/llvm-project/pull/215359