t.Errorf("buf3 = %q; want bar", buf3.String())
	}

	// Wrap a writer and then Reset to that writer.
	w.Reset(&buf4)
	w2 := NewWriter(w)
	w2.WriteString("recur")
	w2.Flush()
	if buf4.String() != "recur" {
		t.Errorf("buf4 = %q, want %q", buf4.String(), "recur")
	}
	w.Reset(&buf5)
	w2.Reset(w)
	w2.WriteString("recur2")
	w2.Flush()
	if buf5.String() != "recur2" {

func G() {
	var buf1 [10]byte
	F1(buf1[:])

	var buf2 [10]byte // ERROR "moved to heap: buf2$"
	F2(buf2[:])

	var buf3 [10]byte
	F3(buf3[:])

	var buf4 [10]byte // ERROR "moved to heap: buf4$"
	F4(buf4[:])
}

type Tm struct {
	x int
}

func (t *Tm) M() { // ERROR "t does not escape$"
}

func foo141() {
	var f func()

func G() {
	var buf1 [10]byte
	F1(buf1[:])

	var buf2 [10]byte // ERROR "moved to heap: buf2$"
	F2(buf2[:])

	var buf3 [10]byte
	F3(buf3[:])

	var buf4 [10]byte // ERROR "moved to heap: buf4$"
	F4(buf4[:])
}

type Tm struct {
	x int
}

func (t *Tm) M() { // ERROR "t does not escape$"
}

func foo141() {
	var f func()