[llvm] [WebAssembly] Disallow tail calls with byval arguments (PR #125142)

[Eli Friedman via llvm-commits]

https://github.com/efriedma-quic commented:

A function with a byval argument should be able to tail-call another function with a byval argument in the same position.  See 914a3990d1a055f5f1848c6979f621ceff97fa7c 376d7b27fa3de4f72c2a3cec4f941c1ca3f1d7f2 .

https://github.com/llvm/llvm-project/pull/125142