1// compile
2
3// Copyright 2022 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 52846: gofrontend crashed with alias as map key type
8
9package p
10
11type S struct {
12	F string
13}
14
15type A = S
16
17var M = map[A]int{A{""}: 0}
18