[clang] [llvm] [profcheck][coro] Adding Branch weights PGO in Coroutines Passes (PR #184466)

[Chuanqi Xu via cfe-commits]

https://github.com/ChuanqiXu9 approved this pull request.

I am not sure if this used AI. If yes, please note that.

https://github.com/llvm/llvm-project/pull/184466