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// run
//go:build goexperiment.unified
// +build goexperiment.unified

// TODO(mdempsky): Enable test unconditionally. This test should pass
// for non-unified mode too.

// 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.

package main

//go:notinheap
type A struct{ B }
type B struct{ x byte }
type I interface{ M() *B }

func (p *B) M() *B { return p }

var (
	a A
	i I = &a
)

func main() {
	got, want := i.M(), &a.B
	if got != want {
		println(got, "!=", want)
		panic("FAIL")
	}
}