[clang] [llvm] [Pipelines] Do not run CoroSplit and CoroCleanup in LTO pre-link pipeline (PR #90310)

[Wei Wang via cfe-commits]

apolloww wrote:

hmm, this looks like `llvm.coro.subfn.addr` is not lowered before codegen starts. And this is for wasm and MonoLTO. Let me check.

https://github.com/llvm/llvm-project/pull/90310