   0  -live- %r0
   0  guard_class %r0 -> %i0
   3  getfield_raw_i %i0, FieldDescr<pypy.objspace.std.longobject.W_AbstractLongObject_vtable.cls_descr_invert> -> %i0
   8  -live- %i0, %r0
   8  switch %i0, <SwitchDictDescr 0:L1, 1:L2>
  12  unreachable
  13  ---
  13  L1:
  13  -live-
  13  raise $<* struct object>
  15  ---
  15  L2:
  15  -live- %r0
  15  getfield_gc_r_pure %r0, FieldDescr<pypy.objspace.std.longobject.W_LongObject.inst_num> -> %r0
  20  residual_call_r_r $<* fn rbigint.invert>, R[%r0], <CallDescr(r) EF=4> -> %r0
  27  -live- %r0
  27  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x10095226dd0> -> %r1
  31  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.longobject.W_LongObject.inst_num>
  36  ref_return %r1
