{AMULW, ydivl, Pe, opBytes{0xf7, 04}},
	{ANEGB, yscond, Pb, opBytes{0xf6, 03}},
	{ANEGL, yscond, Px, opBytes{0xf7, 03}},
	{ANEGQ, yscond, Pw, opBytes{0xf7, 03}},
	{ANEGW, yscond, Pe, opBytes{0xf7, 03}},
	{obj.ANOP, ynop, Px, opBytes{0, 0}},
	{ANOTB, yscond, Pb, opBytes{0xf6, 02}},
	{ANOTL, yscond, Px, opBytes{0xf7, 02}}, // TODO(rsc): yscond is wrong here.
	{ANOTQ, yscond, Pw, opBytes{0xf7, 02}},

	testAutomaticHTTP2_Serve(t, &tls.Config{NextProtos: []string{"h2"}}, true)
}

func testAutomaticHTTP2_Serve(t *testing.T, tlsConf *tls.Config, wantH2 bool) {
	setParallel(t)
	defer afterTest(t)
	ln := newLocalListener(t)
	ln.Close() // immediately (not a defer!)
	var s Server
	s.TLSConfig = tlsConf
	if err := s.Serve(ln); err == nil {
		t.Fatal("expected an error")
	}
	gotH2 := s.TLSNextProto["h2"] != nil