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 19977: multiple error messages when type switching on an undefined
8
9package foo
10
11func Foo() {
12	switch x := a.(type) { // ERROR "undefined: a|reference to undefined name .*a"
13	default:
14		_ = x
15	}
16}
17