Objective-C in WebAssembly

It seems like Objective-C to WebAssembly should be possible in no small part because of LLVM. However, we haven’t tracked down any examples or implementations.

Apple is hinting that not only do they have such a tool, but they use it in their apps.

According to this tweet:

What have I been working on lately? Just a few days ago, iWork 10.0 shipped with iCloud apps that now include features extracted from the native codebase (C++/ObjC), using WebAssembly!

(See the rest of the thread for more info.)