}

func BenchmarkCallClosure3(b *testing.B) {
	for i := 0; i < b.N; i++ {
		ss = addr1(i)
	}
}

func addr2() (x int, p *int) {
	return 0, func() *int { return &x }()
}

func BenchmarkCallClosure4(b *testing.B) {
	for i := 0; i < b.N; i++ {
		_, ss = addr2()
	}