   0  -live- %r1
   0  goto_if_not_ptr_nonzero %r1, L1
   4  ref_copy %r1 -> %r0
   7  -live- %r0, %r1
   7  guard_class %r1 -> %i0
  10  getfield_raw_i %i0, FieldDescr<object_vtable.subclassrange_min> -> %i0
  15  int_between $TotalOrderSymbolic('compute_fn'), %i0, $TotalOrderSymbolic('compute_fn') -> %i0
  20  -live- %i0, %r0
  20  goto_if_not %i0, L2
  24  inline_call_r_v <JitCode 'W_TextIOWrapper._check_attached'>, R[%r0]
  29  -live- %r0
  29  getfield_gc_i %r0, FieldDescr<pypy.module._io.interp_textio.W_TextIOWrapper.inst_chunk_size> -> %i0
  34  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x100951d1e10> -> %r0
  38  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  43  ref_return %r0
  45  ---
  45  L2:
  45  raise $<* struct object>
  47  ---
  47  L1:
  47  raise $<* struct object>
