[clang] [clang][Sema] Add diagnostic note for reference of function-like macros requiring without parentheses (PR #123495)

[via cfe-commits]

StarOne01 wrote:

Hey @Sirraide , inorder to include the test, we would need to figure out what's going on with the `*out` pointer

https://github.com/llvm/llvm-project/pull/123495