| // Copyright 2021 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. | |
| // Check Go language version-specific errors. | |
| package go1_13 // go1.13 | |
| // interface embedding | |
| type I interface { m() } | |
| type _ interface { | |
| m() | |
| I // ERROR "duplicate method m" | |
| } | |
| type _ interface { | |
| I | |
| I // ERROR "duplicate method m" | |
| } | |