   0  getfield_gc_r %r0, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_chained_list> -> %r2
   5  getfield_gc_i %r2, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running> -> %i0
  10  -live- %i0, %r0, %r2
  13  goto_if_not %i0, L1
  17  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab0c7fdde0> -> %r1
  21  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  26  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  31  assert_not_none %r1
  33  -live- %r1
  36  raise %r1
  38  ---
  38  L1:
  38  getfield_gc_r %r2, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_w_obj> -> %r1
  43  -live- %r0, %r1, %r2
  46  goto_if_not_ptr_iszero %r1, L2
  50  setfield_gc_i %r2, $True, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
  55  getfield_gc_r %r0, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_w_iterator> -> %r1
  60  inline_call_r_r <JitCode 'call_shortcut__star_0'>, R[%r1] -> %r1
  66  -live- %r0, %r1, %r2
  69  catch_exception L3
  72  setfield_gc_i %r2, $False, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
  77  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab2eff0d78> -> %r3
  81  setfield_gc_i %r3, $False, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
  86  setfield_gc_r %r2, %r3, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_next>
  91  setfield_gc_r %r2, %r1, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_w_obj>
  96  L4:
  96  getfield_gc_r %r2, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_next> -> %r2
 101  setfield_gc_r %r0, %r2, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_chained_list>
 106  ref_return %r1
 108  ---
 108  L3:
 108  last_exception -> %i0
 110  last_exc_value -> %r1
 112  setfield_gc_i %r2, $False, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
 117  -live- %r1
 120  raise %r1
 122  ---
 122  L2:
 122  goto L4
