   0  getfield_gc_r %r0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_values_w> -> %r1
   5  getfield_gc_i %r0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_values_pos> -> %i0
  10  arraylen_gc %r1, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000000177231bb0> -> %i1
  15  -live- %i0, %i1, %r0, %r1
  15  goto_if_not_int_ge %i0, %i1, L1
  20  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000000018e6b98a0> -> %r0
  24  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  29  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  34  assert_not_none %r0
  36  -live- %r0
  36  guard_class %r0 -> %i0
  39  -live- %r0
  39  raise %r0
  41  ---
  41  L1:
  41  getarrayitem_gc_r %r1, %i0, <rpython.jit.backend.llsupport.descr.ArrayDescr object at 0x0000000177231bb0> -> %r1
  47  getfield_gc_i %r0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_values_pos> -> %i0
  52  int_add %i0, $1 -> %i0
  56  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.formatting.BaseStringFormatter.inst_values_pos>
  61  ref_return %r1
