// errorcheck // Copyright 2017 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package p type T struct { f [1]int } func a() { _ = T // ERROR "type T is not an expression|invalid use of type|not an expression" } func b() { var v [len(T{}.f)]int // ok _ = v }