[clang] [lld] [llvm] [LLVM][WebAssembly] Implement branch hinting proposal (PR #146230)

[Alexis Engelke via cfe-commits]

https://github.com/aengelke commented:

Some comments on the LLVM MC part. I'm not too familiar with the Wasm back-end or LLD.

https://github.com/llvm/llvm-project/pull/146230