   0  -live- %r0
   0  goto_if_not_ptr_nonzero %r0, L1
   4  ref_copy %r0 -> %r1
   7  -live- %r0, %r1
   7  guard_class %r1 -> %i0
  10  -live- %i0, %r0
  10  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  15  getfield_gc_r %r0, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_chained_list> -> %r1
  20  getfield_gc_r %r1, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_w_obj> -> %r2
  25  -live- %r0, %r1, %r2
  25  goto_if_not_ptr_iszero %r2, L3
  29  getfield_gc_r %r0, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_w_iterator> -> %r2
  34  inline_call_r_r <JitCode 'next'>, R[%r2] -> %r2
  40  -live- %r0, %r1, %r2
  40  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x00000000bcbc2528> -> %r3
  44  setfield_gc_r %r1, %r3, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_next>
  49  setfield_gc_r %r1, %r2, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_w_obj>
  54  L4:
  54  getfield_gc_r %r1, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_next> -> %r1
  59  setfield_gc_r %r0, %r1, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_chained_list>
  64  ref_return %r2
  66  ---
  66  L3:
  66  goto L4
  69  ---
  69  L2:
  69  L5:
  69  -live- %r0
  69  guard_class %r0 -> %i0
  72  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_getclass> -> %i0
  77  getfield_raw_i %i0, FieldDescr<specfunc.variant0> -> %i0
  82  -live- %i0, %r0
  82  int_guard_value %i0
  84  residual_call_r_r %i0, <IndirectCallTargets>, R[%r0], <CallDescr(r) EF=2> -> %r1
  91  -live- %r1
  91  inline_call_r_r <JitCode 'oefmt____s__object_expected__got___N__instead_star_2'>, R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, $<* struct rpy_string>, %r1] -> %r1
 100  -live- %r1
 100  assert_not_none %r1
 102  -live- %r1
 102  guard_class %r1 -> %i0
 105  -live- %r1
 105  raise %r1
 107  ---
 107  L1:
 107  goto L5
