return 2
	}
	s.step = 0
	return 3
}

func testFlagOverwrite(t *testing.T) {
	j := junk{}
	if got := flagOverwrite_ssa(&j, ' '); got != 3 {
		t.Errorf("flagOverwrite_ssa = %d, wanted 3", got)
	}
}

func TestCtl(t *testing.T) {
	testPhiControl(t)
	testEmptyRange(t)

	testSwitch(t)
	testFallthrough(t)

	testFlagOverwrite(t)