| // 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 21988: panic on switch case with invalid value | |
| package p | |
| const X = Wrong(0) // ERROR "undefined: Wrong" | |
| func _() { | |
| switch 0 { | |
| case X: | |
| } | |
| } |