   0  -live- %i0, %r0
   3  guard_class %r0 -> %i1
   6  getfield_raw_i %i1, FieldDescr<pypy.interpreter.baseobjspace.W_Root_vtable.cls_buffer_w> -> %i1
  11  -live- %i0, %i1, %r0
  14  int_guard_value %i1
  16  residual_call_ir_r %i1, <IndirectCallTargets>, I[%i0], R[%r0], <CallDescr(ri) EF=7> -> %r1
  25  -live- %r0, %r1
  28  catch_exception L1
  31  ref_return %r1
  33  ---
  33  L1:
  33  goto_if_exception_mismatch $<* struct object_vtable>, L2
  37  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa52d49948> -> %r1
  41  setfield_gc_r %r1, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  46  setfield_gc_r %r1, $<* struct tuple2>, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_xstrings>
  51  setfield_gc_r %r1, %r0, FieldDescr<pypy.interpreter.error.OpErrFmt.inst_x0>
  56  assert_not_none %r1
  58  -live- %r1
  61  raise %r1
  63  ---
  63  L2:
  63  reraise
