   0  -live- %r0, %r1, %r2
   0  guard_class %r0 -> %i0
   3  getfield_raw_i %i0, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_unicode_w> -> %i0
   8  -live- %i0, %r0, %r1, %r2
   8  switch %i0, <SwitchDictDescr 0:L1, 1:L2, 2:L3>
  12  unreachable
  13  ---
  13  L1:
  13  -live- %r0, %r1, %r2
  13  getfield_gc_r_pure %r0, FieldDescr<pypy.objspace.std.unicodeobject.W_UnicodeObject.inst__value> -> %r0
  18  L4:
  18  inline_call_r_r <JitCode 'ObjSpace.str_or_None_w'>, R[%r1] -> %r1
  24  -live- %r0, %r1, %r2
  24  inline_call_r_r <JitCode 'charmap_encode'>, R[%r0, %r1, %r2] -> %r0
  32  -live- %r0
  32  ref_return %r0
  34  ---
  34  L2:
  34  -live- %r0, %r1, %r2
  34  inline_call_r_r <JitCode 'W_AbstractBytesObject.unicode_w'>, R[%r0] -> %r0
  40  -live- %r0, %r1, %r2
  40  goto L4
  43  ---
  43  L3:
  43  -live- %r0
  43  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>, %r0] -> %r0
  52  -live- %r0
  52  -live- %r0
  52  guard_class %r0 -> %i0
  55  -live- %r0
  55  raise %r0
