1// errorcheck
2
3// Copyright 2015 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 11737 - invalid == not being caught until generated switch code was compiled
8
9package p
10
11func f()
12
13func s(x interface{}) {
14	switch x {
15	case f: // ERROR "invalid case f \(type func\(\)\) in switch \(incomparable type\)|can only be compared to nil"
16	}
17}
18