[clang] Diagnose the code with trailing comma in the function call. (PR #125232)

[Haojian Wu via cfe-commits]

hokein wrote:

> Can you add a release note and a more detailed description? Thanks

Done. I think we don't need a release note, this is a regression fix, and https://github.com/llvm/llvm-project/pull/114684 is not released yet.

https://github.com/llvm/llvm-project/pull/125232