1// errorcheck
2
3// Copyright 2014 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// issue 8311.
8// error for x++ should say x++ not x += 1
9
10package p
11
12func f() {
13	var x []byte
14	x++ // ERROR "invalid operation: x[+][+]|non-numeric type"
15
16}
17