[llvm-branch-commits] [clang] [Clang] Fix -Wunused-parameter for implicit coroutine uses (backport #217518) (PR #218584)

[via llvm-branch-commits]

Lane0218 wrote:

The backport is ready. Could a release maintainer please add the `LLVM 23.x Release` milestone?

The patch was manually resolved in `clang/docs/ReleaseNotes.md` and validated with:
- `clang/test/SemaCXX/warn-unused-parameters-coroutine.cpp`: 1/1 passed
- `clang/test/SemaCXX/coroutine*.cpp`: 23/23 passed

https://github.com/llvm/llvm-project/pull/218584