   0  inline_call_r_r <JitCode 'Unmarshaller.get_str'>, R[%r0] -> %r0
   6  -live- %r0
   6  strlen %r0 -> %i0
   9  residual_call_ir_r $<* fn str_decode_utf_8>, I[%i0, $True, $True], R[%r0, $<* struct rpy_string>], <CallDescr(ririi) EF=4> -> %r0
  21  -live- %r0
  21  getfield_gc_r_pure %r0, FieldDescr<tuple2.item0> -> %r0
  26  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff5a09f0f0> -> %r1
  30  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__value>
  35  ref_return %r1
