   0  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.rbigint.rbigint.inst_size> -> %i0
   5  -live- %i0, %r0
   8  goto_if_not_int_gt %i0, $2, L1
  13  raise $<* struct object>
  15  ---
  15  L1:
  15  residual_call_r_i $<* fn rbigint._toint_helper>, R[%r0], <CallDescr(r) EF=4> -> %i0
  22  -live- %i0
  25  int_return %i0
