   0  inline_call_r_r <JitCode 'PackFormatIterator.accept_obj_arg'>, R[%r0] -> %r1
   6  -live- %r0, %r1
   6  -live- %r0, %r1
   6  guard_class %r1 -> %i0
   9  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_unicode_w> -> %i0
  14  -live- %i0, %r0, %r1
  14  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  18  unreachable
  19  ---
  19  L1:
  19  -live- %r1
  19  inline_call_r_r <JitCode 'oefmt__expected__s__got__T_object_star_2'>, R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, $<* struct rpy_string>, %r1] -> %r1
  28  -live- %r1
  28  assert_not_none %r1
  30  -live- %r1
  30  guard_class %r1 -> %i0
  33  -live- %r1
  33  raise %r1
  35  ---
  35  L2:
  35  -live- %r0, %r1
  35  getfield_gc_r_pure %r1, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__value> -> %r1
  40  L4:
  40  unicodelen %r1 -> %i0
  43  -live- %i0, %r0, %r1
  43  goto_if_not_int_ne %i0, $1, L5
  48  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff4dabdd70> -> %r1
  52  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
  57  assert_not_none %r1
  59  -live- %r1
  59  guard_class %r1 -> %i0
  62  -live- %r1
  62  raise %r1
  64  ---
  64  L5:
  64  unicodegetitem %r1, $0 -> %i0
  68  getfield_gc_r %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_wbuf> -> %r1
  73  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i1
  78  inline_call_ir_v <JitCode 'pack_unichar'>, I[%i0, %i1], R[%r1]
  86  -live- %r0
  86  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i0
  91  int_add %i0, $4 -> %i0
  95  setfield_gc_i %r0, %i0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos>
 100  void_return
 101  ---
 101  L3:
 101  -live- %r0, %r1
 101  inline_call_r_r <JitCode 'W_AbstractBytesObject.unicode_w'>, R[%r1] -> %r1
 107  -live- %r0, %r1
 107  goto L4
