   0  getfield_gc_i %r0, FieldDescr<pypy.module._io.interp_fileio.W_FileIO.inst_fd> -> %i0
   5  -live- %i0, %r0
   5  goto_if_not_int_lt %i0, $0, L1
  10  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aac6164720> -> %r0
  14  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  19  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__w_value>
  24  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst__application_traceback>
  29  assert_not_none %r0
  31  -live- %r0
  31  guard_class %r0 -> %i0
  34  -live- %r0
  34  raise %r0
  36  ---
  36  L1:
  36  getfield_gc_i %r0, FieldDescr<pypy.module._io.interp_fileio.W_FileIO.inst_readable> -> %i0
  41  -live- %i0
  41  goto_if_not %i0, L2
  45  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
  47  ---
  47  L2:
  47  ref_return $<* struct pypy.interpreter.baseobjspace.W_Root>
