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 22063: panic on interface switch case with invalid name 8 9 package p 10 11 const X = Wrong(0) // ERROR "undefined: Wrong" 12 13 func _() { 14 switch interface{}(nil) { 15 case X: 16 } 17 } 18