Valu("t18", OpTrunc64to32, c.config.Types.Int64, 0, nil, "t12"),
			Valu("t19", OpCvt64Fto64, c.config.Types.Float64, 0, nil, "t17"),
			Valu("t20", OpCtz64, c.config.Types.Int64, 0, nil, "v2"),
			Valu("t21", OpSlicemask, c.config.Types.Int64, 0, nil, "t20"),
			Valu("t22", OpIsNonNil, c.config.Types.Int64, 0, nil, "v2"),
			Valu("t23", OpNot, c.config.Types.Bool, 0, nil, "v4"),

	t16 math.xxx /* ERROR "undefined" */
	t17 math /* ERROR "not a type" */ .Pi
	t18 float64 = math.Pi * 10.0
	t19 int = t1 /* ERROR "cannot call" */ ()
	t20 int = f0 /* ERROR "no value" */ ()
	t21 int = a /* ERRORx `cannot use .* variable declaration` */
)

// Various more complex expressions
var (
	u1 = x /* ERROR "not an interface" */ .(int)
	u2 = iface.([]int)
	u3 = iface.(a /* ERROR "not a type" */ )