asinh returns incorrect results at complex infinities about mpmath HOT 2 CLOSED

$ MPMATH_NOGMPY=Y python -q
>>> from mpmath import *
>>> mp.asinh(mp.mpc(mp.inf, 0))
mpc(real='0.0', imag='0.0')

>>> fp.asinh(fp.mpc(fp.inf, 0))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'FPContext' object has no attribute 'asinh'. Did you mean: 'asin'?

>>> mp.asinh(mp.mpc(mp.inf, 0))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/sk/src/mpmath/mpmath/ctx_mp_python.py", line 1118, in f
    return ctx.make_mpc(mpc_f(x._mpc_, prec, rounding))
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/sk/src/mpmath/mpmath/libmp/libmpc.py", line 739, in mpc_asinh
    a, b =  mpc_asin((b, mpf_neg(a)), prec, rnd)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/sk/src/mpmath/mpmath/libmp/libmpc.py", line 734, in mpc_asin
    return acos_asin(z, prec, rnd, 1)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/sk/src/mpmath/mpmath/libmp/libmpc.py", line 727, in acos_asin
    im = normalize(im[0], im[1], im[2], im[3], prec, rnd)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
TypeError: arguments long, MPZ_Object*, PyObject*, long, long, char needed