   0  -live- %r1
   3  goto_if_not_ptr_nonzero %r1, L1
   7  ref_copy %r1 -> %r0
  10  -live- %r0, %r1
  13  guard_class %r1 -> %i0
  16  -live- %i0, %r0
  19  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  24  getfield_gc_r %r0, FieldDescr<pypy.interpreter.pytraceback.PyTraceback.inst_frame> -> %r1
  29  -live- %r0, %r1
  32  getfield_vable_r %r1, FieldDescr<pypy.interpreter.pyframe.PyFrame.inst_pycode> -> %r1
  37  getfield_gc_i %r0, FieldDescr<pypy.interpreter.pytraceback.PyTraceback.inst_lasti> -> %i0
  42  residual_call_ir_i $<* fn offset2lineno>, I[%i0], R[%r1], <CallDescr(ri) EF=4> -> %i0
  51  -live- %i0
  54  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa74983ec0> -> %r0
  58  setfield_gc_i %r0, %i0, FieldDescr<pypy.objspace.std.intobject.W_IntObject.inst_intval>
  63  ref_return %r0
  65  ---
  65  L2:
  65  L3:
  65  raise $<* struct object>
  67  ---
  67  L1:
  67  goto L3
