   0  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_bigendian> -> %i1
   5  -live- %i0, %i1, %r0
   5  goto_if_not_int_is_true %i1, L1
   9  raise $<* struct object>
  11  ---
  11  L1:
  11  getfield_gc_r %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_wbuf> -> %r1
  16  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i1
  21  -live- %i0, %i1, %r0, %r1
  21  guard_class %r1 -> %i2
  24  getfield_raw_i %i2, FieldDescr<rpython.rlib.buffer.Buffer_vtable.cls_typed_write> -> %i2
  29  getfield_raw_i %i2, FieldDescr<specfunc.variant9> -> %i2
  34  -live- %i0, %i1, %i2, %r0, %r1
  34  int_guard_value %i2
  36  residual_call_ir_v %i2, <IndirectCallTargets>, I[%i1, %i0], R[%r1], <CallDescr(rii) EF=7>
  45  -live- %r0
  45  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i0
  50  int_add %i0, $8 -> %i0
  54  setfield_gc_i %r0, %i0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos>
  59  void_return
