// 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"
}
