[clang] [clang] Fix the local parameter of void type inside the `Requires` expression. (PR #109831)

[Younan Zhang via cfe-commits]

https://github.com/zyn0217 approved this pull request.

Makes sense to me. Thanks

Please wait for other folks a day or two in case they have different opinions.

https://github.com/llvm/llvm-project/pull/109831