   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
  10  goto_if_not %i0, L1
  14  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000018e6b98a0> -> %r1
  18  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  23  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  28  assert_not_none %r1
  30  -live- %r1
  30  guard_class %r1 -> %i0
  33  -live- %r1
  33  raise %r1
  35  ---
  35  L1:
  35  getfield_gc_r %r2, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_w_obj> -> %r1
  40  -live- %r0, %r1, %r2
  40  goto_if_not_ptr_iszero %r1, L2
  44  setfield_gc_i %r2, $True, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
  49  getfield_gc_r %r0, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_w_iterator> -> %r1
  54  inline_call_r_r <JitCode 'next'>, R[%r1] -> %r1
  60  -live- %r0, %r1, %r2
  60  catch_exception L3
  63  setfield_gc_i %r2, $False, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
  68  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000000145d789c0> -> %r3
  72  setfield_gc_i %r3, $False, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
  77  setfield_gc_r %r2, %r3, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_next>
  82  setfield_gc_r %r2, %r1, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_w_obj>
  87  L4:
  87  getfield_gc_r %r2, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_next> -> %r2
  92  setfield_gc_r %r0, %r2, FieldDescr<pypy.module.itertools.interp_itertools.W_TeeIterable.inst_chained_list>
  97  ref_return %r1
  99  ---
  99  L3:
  99  last_exception -> %i0
 101  last_exc_value -> %r1
 103  setfield_gc_i %r2, $False, FieldDescr<pypy.module.itertools.interp_itertools.TeeChainedListNode.inst_running>
 108  -live- %r1
 108  raise %r1
 110  ---
 110  L2:
 110  goto L4
