[clang] Format clang/lib/Sema/Sema.cpp (PR #111518)

[via cfe-commits]

https://github.com/Sirraide commented:

Er, while it would be nice for everything to be formatted properly, this might cause some merge conflicts with other people’s changes in `Sema.cpp` (or at least that’s why we don’t do bulk reformatting too often iirc), so I’m not sure we just want to format entire files like this...

https://github.com/llvm/llvm-project/pull/111518