# mode: run
# tag: gc


def create_obj(cls):
    cls()  # create and discard


cdef class BaseTypeNoGC:
    pass


cdef class ExtTypeGC(BaseTypeNoGC):
    """
    >>> create_obj(ExtTypeGC)
    >>> create_obj(ExtTypeGC)
    >>> create_obj(ExtTypeGC)

    >>> class PyExtTypeGC(ExtTypeGC): pass
    >>> create_obj(PyExtTypeGC)
    >>> create_obj(PyExtTypeGC)
    >>> create_obj(PyExtTypeGC)
    """
    cdef object attr


cdef class ExtTypeNoGC(BaseTypeNoGC):
    """
    >>> create_obj(ExtTypeNoGC)
    >>> create_obj(ExtTypeNoGC)
    >>> create_obj(ExtTypeNoGC)

    >>> class PyExtTypeNoGC(ExtTypeNoGC): pass
    >>> create_obj(PyExtTypeNoGC)
    >>> create_obj(PyExtTypeNoGC)
    >>> create_obj(PyExtTypeNoGC)
    """
    cdef int x