1// errorcheck
2
3// Copyright 2019 The Go Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style
5// license that can be found in the LICENSE file.
6
7// Make sure we're compiling "_" functions at least enough
8// to get to an error which is generated during walk.
9
10package main
11
12func _() {
13	x := 7 // ERROR "declared and not used"
14}
15