   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.formatting.StringFormatter.inst_fmt> -> %r1
   5  getfield_gc_i %r0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_fmtpos> -> %i0
  10  int_sub %i0, $1 -> %i1
  14  -live- %i1, %r0, %r1
  17  goto_if_not_int_lt %i1, $0, L1
  22  strlen %r1 -> %i0
  25  int_add %i1, %i0 -> %i1
  29  L2:
  29  strgetitem %r1, %i1 -> %i0
  33  getfield_gc_i %r0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_fmtpos> -> %i1
  38  int_sub %i1, $1 -> %i1
  42  newstr $1 -> %r1
  45  int_copy %i0 -> %i2
  48  strsetitem %r1, $0, %i0
  52  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x0000aaab0cb26aa0> -> %r0
  56  setfield_gc_r %r0, %r1, FieldDescr<pypy.objspace.std.bytesobject.W_BytesObject.inst__value>
  61  residual_call_ir_r $<* fn ll_int2hex__Signed_Bool>, I[%i2, $True], R[], <CallDescr(ii) EF=3> -> %r1
  70  -live- %i1, %r0, %r1
  73  inline_call_ir_r <JitCode 'oefmt__unsupported_format_character__R___s__at_index__d_star_3'>, I[%i1], R[$<* struct pypy.objspace.std.typeobject.W_TypeObject>, $<* struct rpy_string>, %r0, %r1] -> %r1
  84  -live- %r1
  87  assert_not_none %r1
  89  -live- %r1
  92  guard_class %r1 -> %i0
  95  -live- %r1
  98  raise %r1
 100  ---
 100  L1:
 100  goto L2
