if want != got {
			t.Errorf("nor(%t, %t)=%t got %t", a, b, want, got)
		}
	}
}

func emptyRange_ssa(b []byte) bool {
	for _, x := range b {
		_ = x
	}
	return true
}

func testEmptyRange(t *testing.T) {
	if !emptyRange_ssa([]byte{}) {
		t.Errorf("emptyRange_ssa([]byte{})=false, want true")
	}
}

func switch_ssa(a int) int {
	ret := 0
	switch a {
	case 5:
		ret += 5
	case 4: