| // Copyright 2026 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 ifaceassert | |
| type I1 interface{ M() int } | |
| type I2 interface{ M() string } | |
| func _(x I1) { | |
| _ = x.(I2) // ERROR "impossible type assertion" | |
| } |