   0  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab42c08218> -> %r1
   4  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__utf8>
   9  setfield_gc_i %r1, %i0, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__length>
  14  setfield_gc_r %r1, $<* None>, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__index_storage>
  19  ref_return %r1
