   0  inline_call_r_r <JitCode 'allocate_instance__W_Chain'>, R[%r0] -> %r0
   6  -live- %r0, %r1
   9  inline_call_r_r <JitCode 'makespecialisedtuple'>, R[%r1] -> %r2
  15  -live- %r0, %r1, %r2
  18  catch_exception L1
  21  L2:
  21  -live- %r0, %r2
  24  guard_class %r2 -> %i0
  27  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_shortcut___iter__> -> %i0
  32  -live- %i0, %r0, %r2
  35  int_guard_value %i0
  37  residual_call_r_r %i0, <IndirectCallTargets>, R[%r2], <CallDescr(r) EF=7> -> %r1
  44  -live- %r0, %r1
  47  setfield_gc_r %r0, %r1, FieldDescr<pypy.module.itertools.interp_itertools.W_Chain.inst_w_iterables>
  52  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.module.itertools.interp_itertools.W_Chain.inst_w_it>
  57  ref_return %r0
  59  ---
  59  L1:
  59  goto_if_exception_mismatch $<* struct object_vtable>, L3
  63  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab0506cd78> -> %r2
  67  setfield_gc_r %r2, %r1, FieldDescr<pypy.objspace.std.tupleobject.W_TupleObject.inst_wrappeditems>
  72  goto L2
  75  ---
  75  L3:
  75  reraise
