// put in interfaces.

var x int

func TestEfaceConv1(t *testing.T) {
	a := 5
	i := interface{}(a)
	a += 2
	if got := i.(int); got != 5 {
		t.Errorf("wanted 5, got %d\n", got)
	}
}

func TestEfaceConv2(t *testing.T) {
	a := 5
	sink = &a
	i := interface{}(a)
	a += 2
	if got := i.(int); got != 5 {
		t.Errorf("wanted 5, got %d\n", got)
	}
}

func TestEfaceConv3(t *testing.T) {
	x = 5