   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- %r0, %r1
  19  getfield_gc_r_pure %r1, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__value> -> %r1
  24  L4:
  24  unicodelen %r1 -> %i0
  27  -live- %i0, %r0, %r1
  27  goto_if_not_int_ne %i0, $1, L5
  32  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x7fff49aa95a0> -> %r1
  36  setfield_gc_r %r1, $<* struct rpy_string>, FieldDescr<rpython.rlib.rstruct.error.StructError.inst_msg>
  41  assert_not_none %r1
  43  -live- %r1
  43  guard_class %r1 -> %i0
  46  -live- %r1
  46  raise %r1
  48  ---
  48  L5:
  48  unicodegetitem %r1, $0 -> %i0
  52  getfield_gc_r %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_wbuf> -> %r1
  57  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i1
  62  inline_call_ir_v <JitCode 'pack_unichar'>, I[%i0, %i1], R[%r1]
  70  -live- %r0
  70  getfield_gc_i %r0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos> -> %i0
  75  int_add %i0, $4 -> %i0
  79  setfield_gc_i %r0, %i0, FieldDescr<pypy.module.struct.formatiterator.PackFormatIterator.inst_pos>
  84  void_return
  85  ---
  85  L2:
  85  -live- %r1
  85  inline_call_r_r <JitCode 'oefmt__expected__s__got__T_object_star_2'>, R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, $<* struct rpy_string>, %r1] -> %r1
  94  -live- %r1
  94  assert_not_none %r1
  96  -live- %r1
  96  guard_class %r1 -> %i0
  99  -live- %r1
  99  raise %r1
 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
