[clang] [CodeGen][ObjC] Try/Catch support for WebAssembly (PR #171038)

[Frederik Seiffert via cfe-commits]

triplef wrote:

Just for context: the issue with `@finally` on Windows is tracked in https://github.com/llvm/llvm-project/issues/43828 and https://github.com/llvm/llvm-project/issues/51899.

https://github.com/llvm/llvm-project/pull/171038