+++ /dev/null
-// Copyright 2019 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.
-
-package issue31540
-
-type Y struct {
- q int
-}
-
-type Z map[int]int
-
-type X = map[Y]Z
-
-type A1 = X
-
-type A2 = A1
-
-type S struct {
- b int
- A2
-}
-
-func Hallo() S {
- return S{}
-}