'Returns an IRSB of a certain address. If there are many IRSBs with the same address in CFG, return an arbitrary
one.
You should never assume this method returns a specific IRSB.
:param int addr: Address of the IRSB to get.
:return:         An arbitrary IRSB located at `addr`.
:rtype:          IRSB'

def get_any_irsb(self, addr):

    raise DeprecationWarning('"get_any_irsb()"    is    deprecated    since    SimIRSB    does    not    exist    anymore.')
