That being UB is more of trivia than anything else. It’s UB because it allows freedom for compilers and standard library implementations to change their impleme

That being UB is more of trivia than anything else. It’s UB because it allows freedom for compilers and standard library implementations to change their implementation without it being a “breaking” change, not because the compiler will produce nasal demons if you commit the crime of naming anything _Py_NewReference.