| // errorcheck | |
| // Copyright 2017 The Go Authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style | |
| // license that can be found in the LICENSE file. | |
| // Issue 19977: multiple error messages when type switching on an undefined | |
| package foo | |
| func Foo() { | |
| switch x := a.(type) { // ERROR "undefined: a" | |
| default: | |
| _ = x | |
| } | |
| } |