[clang] [Clang][Sema] Earlier type checking for builtin unary operators (PR #90500)

[Erich Keane via cfe-commits]

https://github.com/erichkeane commented:

I'm still OK with this, but @shafik : Please ensure this has the test coverage you asked for.

https://github.com/llvm/llvm-project/pull/90500