   0  getfield_gc_r %r0, FieldDescr<pypy.module._file.interp_file.W_File.inst_stream> -> %r1
   5  -live- %r0, %r1
   8  goto_if_not_ptr_iszero %r1, L1
  12  new_with_vtable <rpython.jit.backend.llsupport.descr.SizeDescr object at 0x000002aa65925830> -> %r0
  16  setfield_gc_r %r0, $<* struct rpy_string>, FieldDescr<pypy.interpreter.error.OpErrFmtNoArgs.inst__value>
  21  setfield_gc_r %r0, $<* struct pypy.interpreter.baseobjspace.W_Root>, FieldDescr<pypy.interpreter.error.OperationError.inst_w_type>
  26  assert_not_none %r0
  28  -live- %r0
  31  raise %r0
  33  ---
  33  L1:
  33  getfield_gc_i %r0, FieldDescr<pypy.module._file.interp_file.W_File.inst_fd> -> %i0
  38  inline_call_ir_i <JitCode 'isatty__Signed_star_1'>, I[%i0], R[] -> %i0
  45  -live- %i0
  48  catch_exception L2
  51  int_is_true %i0 -> %i0
  54  int_return %i0
  56  ---
  56  L2:
  56  reraise
