   0  getfield_gc_i %r0, FieldDescr<pypy.module._io.interp_fileio.W_FileIO.inst_fd> -> %i0
   5  -live- %i0
   8  goto_if_not_int_lt %i0, $0, L1
  13  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa65924838> -> %r0
  17  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  22  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  27  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  32  assert_not_none %r0
  34  -live- %r0
  37  raise %r0
  39  ---
  39  L1:
  39  void_return
