swift

4069172a - AST: refactor getLoc() of decls to have a single entry point for all decl kinds, NFC

AST: refactor getLoc() of decls to have a single entry point for all decl kinds, NFC After we start to serialize the result of getLoc() in the .swiftsourceinfo file, getLoc() needs a single entry point to look up via USRs in the serialized format.