Function fail

Tools/clinic/libclinic/errors.py:67–72

(
    *args: object,
    filename: str | None = None,
    line_number: int | None = None,
)

    return warn_or_fail(*args, filename=filename, line_number=line_number, fail=False)

def fail(
    *args: object,
    filename: str | None = None,
    line_number: int | None = None,
) -> NoReturn:
    warn_or_fail(*args, filename=filename, line_number=line_number, fail=True)