1// errorcheck -d=panic
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 20245: panic while formatting an error message
8
9package p
10
11var e = interface{ I1 } // ERROR "undefined: I1"
12