   0  -live- %r1
   0  goto_if_not_ptr_nonzero %r1, L1
   4  ref_copy %r1 -> %r0
   7  -live- %r0, %r1
   7  guard_class %r0 -> %i0
  10  -live- %i0, %r1
  10  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  15  getfield_gc_r %r1, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_w_iterator> -> %r0
  20  getfield_gc_r %r1, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_chained_list> -> %r1
  25  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x3fff61931cd0> -> %r2
  29  setfield_gc_r %r2, %r0, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_w_iterator>
  34  setfield_gc_r %r2, %r1, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_chained_list>
  39  -live- %r2
  39  goto_if_not_ptr_iszero %r2, L3
  43  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  45  ---
  45  L3:
  45  ref_return %r2
  47  ---
  47  L2:
  47  L4:
  47  -live- %r1
  47  guard_class %r1 -> %i0
  50  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_getclass> -> %i0
  55  -live- %i0, %r1
  55  int_guard_value %i0
  57  residual_call_r_r %i0, <IndirectCallTargets>, R[%r1], <CallDescr(r) EF=2> -> %r0
  64  -live- %r0
  64  inline_call_r_r <JitCode 'oefmt____s__object_expected__got___N__instead_star_2'>, R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, $<* struct rpy_string>, %r0] -> %r0
  73  -live- %r0
  73  -live- %r0
  73  guard_class %r0 -> %i0
  76  -live- %r0
  76  raise %r0
  78  ---
  78  L1:
  78  goto L4
