[clang] [llvm] [CodeGen][ObjC] Initial WebAssembly Support for GNUstep (PR #169043)

[David Chisnall via cfe-commits]

https://github.com/davidchisnall commented:

The Objective-C bits look fine to me, the MC bit possibly should be a separate PR.

https://github.com/llvm/llvm-project/pull/169043