1// errorcheck
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 21988: panic on switch case with invalid value
8
9package p
10
11const X = Wrong(0) // ERROR "undefined: Wrong|undefined name .*Wrong"
12
13func _() {
14	switch 0 {
15	case X:
16	}
17}
18