t12 complex64 = -(u + *t11) / *&v
	t13 int = a /* ERROR "shifted operand" */ << d
	t14 int = i << j
	t15 math /* ERROR "math is not a type" */
	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 (