   0  getfield_gc_i_pure %r0, FieldDescr<rpython.rlib.rbigint.rbigint.inst_size> -> %i0
   5  -live- %i0, %r0
   5  goto_if_not_int_gt %i0, $2, L1
  10  raise $<* struct object>
  12  ---
  12  L1:
  12  residual_call_r_i $<* fn rbigint._toint_helper>, R[%r0], <CallDescr(r) EF=4> -> %i0
  19  -live- %i0
  19  int_return %i0
