   0  setfield_gc_r %r0, %r1, FieldDescr<pypy.module.marshal.interp_marshal.Unmarshaller.inst_reader>
   5  newlist $0, <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000019d6a5a60>, FieldDescr<list.length>, FieldDescr<list.items>, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x00000001768f2800> -> %r1
  16  setfield_gc_r %r0, %r1, FieldDescr<pypy.module.marshal.interp_marshal.Unmarshaller.inst_stringtable_w>
  21  void_return
