   0  -live- %r0
   3  goto_if_not_ptr_nonzero %r0, L1
   7  ref_copy %r0 -> %r1
  10  -live- %r0, %r1
  13  guard_class %r1 -> %i0
  16  -live- %i0, %r0
  19  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  24  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab339e1e50> -> %r1
  28  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.iterobject.W_AbstractSeqIterObject.inst_w_seq>
  33  setfield_gc_i %r1, $0, FieldDescr<pypy.objspace.std.iterobject.W_AbstractSeqIterObject.inst_index>
  38  setfield_gc_i %r1, $0, FieldDescr<pypy.objspace.std.iterobject.W_FastUnicodeIterObject.inst_byteindex>
  43  L3:
  43  ref_return %r1
  45  ---
  45  L2:
  45  L4:
  45  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab3d15e9f8> -> %r1
  49  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.iterobject.W_AbstractSeqIterObject.inst_w_seq>
  54  setfield_gc_i %r1, $0, FieldDescr<pypy.objspace.std.iterobject.W_AbstractSeqIterObject.inst_index>
  59  goto L3
  62  ---
  62  L1:
  62  goto L4
