| // compile | |
| // Copyright 2024 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 main | |
| type A[P any] = struct{ _ P } | |
| type N[P any] A[P] | |
| func f[P any](N[P]) {} | |
| var _ = f[int] |