   0  getfield_gc_i %r1, FieldDescr<pypy.module._io.interp_textio.PositionCookie.inst_start_pos> -> %i0
   5  -live- %i0, %r0, %r1
   8  goto_if_not_int_is_zero %i0, L1
  12  getfield_gc_i %r1, FieldDescr<pypy.module._io.interp_textio.PositionCookie.inst_dec_flags> -> %i0
  17  -live- %i0, %r0
  20  goto_if_not_int_is_zero %i0, L2
  24  getfield_gc_r %r0, FieldDescr<pypy.module._io.interp_textio.W_TextIOWrapper.inst_w_encoder> -> %r1
  29  inline_call_r_r <JitCode 'call_method_opt__star_0'>, R[%r1, $<* struct rpy_string>] -> %r1
  36  -live- %r0
  39  setfield_gc_i %r0, $True, FieldDescr<pypy.module._io.interp_textio.W_TextIOWrapper.inst_encoding_start_of_stream>
  44  void_return
  45  ---
  45  L2:
  45  L3:
  45  getfield_gc_r %r0, FieldDescr<pypy.module._io.interp_textio.W_TextIOWrapper.inst_w_encoder> -> %r1
  50  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab0ce2a138> -> %r2
  54  setfield_gc_i %r2, $0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  59  inline_call_r_r <JitCode 'call_method_opt__star_1'>, R[%r1, $<* struct rpy_string>, %r2] -> %r1
  67  -live- %r0
  70  setfield_gc_i %r0, $False, FieldDescr<pypy.module._io.interp_textio.W_TextIOWrapper.inst_encoding_start_of_stream>
  75  void_return
  76  ---
  76  L1:
  76  goto L3
