fakeIscsiadmOutput1 := "# BEGIN RECORD 2.0-873\n" +
		"iface.iscsi_ifacename = default\n" +
		"iface.transport_name = tcp\n" +
		"iface.initiatorname = <empty>\n" +
		"iface.mtu = 0\n" +
		"# END RECORD"

	fakeIscsiadmOutput2 := "# BEGIN RECORD 2.0-873\n" +
		"iface.iscsi_ifacename = default\n" +
		"iface.transport_name = cxgb4i\n" +
		"iface.initiatorname = <empty>\n" +
		"iface.mtu = 0\n" +
		"# END RECORD"

func (t *TypeParam) Underlying() Type {
	return t.iface()
}

func (t *TypeParam) String() string { return TypeString(t, nil) }

// ----------------------------------------------------------------------------
// Implementation

func (t *TypeParam) cleanup() {
	t.iface()
	t.check = nil
}

// iface returns the constraint interface of t.
func (t *TypeParam) iface() *Interface {
	bound := t.bound

// Copyright 2017 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 iface_i

type I interface {
	M()
}

type T struct {
}

func (t *T) M() {
}

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package a

func A() {
	B[int](new(G[int]))
}

func B[T any](iface interface{ M(T) }) {
	x, ok := iface.(*G[T])
	if !ok || iface != x {
		panic("FAIL")
	}
}

type G[T any] struct{}

		verifyGCInfo(t, "stack slice", &x, infoSlice)
		runtime.KeepAlive(x)
	}
	{
		var x any
		verifyGCInfo(t, "stack eface", &x, infoEface)
		runtime.KeepAlive(x)
	}
	{
		var x Iface
		verifyGCInfo(t, "stack iface", &x, infoIface)
		runtime.KeepAlive(x)
	}

	for i := 0; i < 10; i++ {
		verifyGCInfo(t, "heap Ptr", runtime.Escape(new(Ptr)), trimDead(infoPtr))

-- go.mod --
module m

go 1.20
-- main.go --
package main

import "m/sub"

func main() { sub.F() }
-- sub/sub.go --
package sub

type iface interface{ m() }

func F() {
	f := func(rt []iface) []iface {
		return append([]iface{}, rt...)
	}
	f(nil)

func (t *TypeParam) Underlying() Type {
	return t.iface()
}

func (t *TypeParam) String() string { return TypeString(t, nil) }

// ----------------------------------------------------------------------------
// Implementation

func (t *TypeParam) cleanup() {
	t.iface()
	t.check = nil
}

// iface returns the constraint interface of t.
func (t *TypeParam) iface() *Interface {
	bound := t.bound

// Copyright 2017 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 iface_i

type I interface {
	M()
}

type T struct {
}

func (t *T) M() {
}

	t21 int = a /* ERRORx `cannot use .* variable declaration` */
)

// Various more complex expressions
var (
	u1 = x /* ERROR "not an interface" */ .(int)
	u2 = iface.([]int)
	u3 = iface.(a /* ERROR "not a type" */ )
	u4, ok = iface.(int)
	u5, ok2, ok3 = iface /* ERROR "assignment mismatch" */ .(int)
)

// Constant expression initializations
var (
	v1 = 1 /* ERROR "mismatched types untyped int and untyped string" */ + "foo"

	*myInt
}

var val = 1234

var valNotInHeap = notInHeap{i: val}

func main() {
	i := val
	check(i)
	mi := myInt{f: &valNotInHeap}
	check(mi.Get())
	ifv := iface(mi)
	check(ifv.Get())
	ifv = iface(&mi)
	check(ifv.Get())
	em := embed{&mi}
	check(em.Get())
	ifv = em
	check(ifv.Get())
	ifv = &em
	check(ifv.Get())
}

func check(v int) {
	if v != val {
		panic(v)
	}