   0  -live- %r1
   0  goto_if_not_ptr_nonzero %r1, L1
   4  ref_copy %r1 -> %r0
   7  -live- %r0, %r1
   7  guard_class %r1 -> %i0
  10  -live- %i0, %r0
  10  goto_if_not_int_eq %i0, $<* struct object_vtable>, L2
  15  getfield_gc_r %r0, FieldDescr<pypy.module._rawffi.interp_rawffi.W_FuncPtr.inst_ptr> -> %r0
  20  getfield_gc_i %r0, FieldDescr<rpython.rlib.clibffi.RawFuncPtr.inst_funcsym> -> %i0
  25  residual_call_ir_r $<* fn fromrarith_int__r_uint>, I[%i0], R[], <CallDescr(i) EF=4> -> %r0
  33  -live- %r0
  33  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x3fff54174510> -> %r1
  37  setfield_gc_r %r1, %r0, FieldDescr<pypy.objspace.std.longobject.W_LongObject.inst_num>
  42  ref_return %r1
  44  ---
  44  L2:
  44  raise $<* struct object>
  46  ---
  46  L1:
  46  raise $<* struct object>
