1// compile
2
3// Copyright 2017 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 20145: some func types weren't dowidth-ed by the front end,
8// leading to races in the backend.
9
10package p
11
12func f() {
13	_ = (func())(nil)
14}
15