var slices = []int64{-9876543210, -1, 0, 3, 4, 9876543210}

var w *tabwriter.Writer

func main() {
	w = tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', tabwriter.AlignRight)
	defer w.Flush()
	doIndex()
	doSlice()
	doSlice3()
}
func doIndex() {
	a := []int{1, 2, 3}
	for _, i := range indexes {
		printPanic(fmt.Sprintf("slice[%d]", i), func() {
			_ = a[i]
		})
	}
	b := [3]int{1, 2, 3}
	for _, i := range indexes {

var slices = []uint64{0, 3, 4, 1<<32 - 1, 1<<64 - 1}

var w *tabwriter.Writer

func main() {
	w = tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', tabwriter.AlignRight)
	defer w.Flush()
	doIndex()
	doSlice()
	doSlice3()
}
func doIndex() {
	a := []int{1, 2, 3}
	for _, i := range indexes {
		printPanic(fmt.Sprintf("slice[%d]", i), func() {
			_ = a[i]
		})
	}
	b := [3]int{1, 2, 3}
	for _, i := range indexes {

		default:
			base.FatalfAt(n.Pos(), "mayCall %+v", n)

		case ir.OCALLFUNC, ir.OCALLINTER,
			ir.OUNSAFEADD, ir.OUNSAFESLICE:
			return true

		case ir.OINDEX, ir.OSLICE, ir.OSLICEARR, ir.OSLICE3, ir.OSLICE3ARR, ir.OSLICESTR,
			ir.ODEREF, ir.ODOTPTR, ir.ODOTTYPE, ir.ODYNAMICDOTTYPE, ir.ODIV, ir.OMOD,
			ir.OSLICE2ARR, ir.OSLICE2ARRPTR:
			// These ops might panic, make sure they are done

	OUNSAFESLICEDATA:  8,
	OUNSAFESTRING:     8,
	OUNSAFESTRINGDATA: 8,
	OINDEXMAP:         8,
	OINDEX:            8,
	OSLICE:            8,
	OSLICESTR:         8,
	OSLICEARR:         8,
	OSLICE3:           8,
	OSLICE3ARR:        8,
	OSLICEHEADER:      8,
	OSTRINGHEADER:     8,
	ODOTINTER:         8,
	ODOTMETH:          8,
	ODOTPTR:           8,
	ODOTTYPE2:         8,
	ODOTTYPE:          8,

		n := n.(*ir.SliceHeaderExpr)
		return walkSliceHeader(n, init)

	case ir.OSTRINGHEADER:
		n := n.(*ir.StringHeaderExpr)
		return walkStringHeader(n, init)

	case ir.OSLICE, ir.OSLICEARR, ir.OSLICESTR, ir.OSLICE3, ir.OSLICE3ARR:
		n := n.(*ir.SliceExpr)
		return walkSlice(n, init)

	case ir.ONEW:
		n := n.(*ir.UnaryExpr)
		return walkNew(n, init)

	case ir.OADDSTR:

	}
	if t.IsString() {
		n.SetType(types.NewPtr(types.Types[types.TUINT8]))
	} else {
		n.SetType(types.NewPtr(t.Elem()))
	}
	return n
}

// tcSlice typechecks an OSLICE or OSLICE3 node.
func tcSlice(n *ir.SliceExpr) ir.Node {
	n.X = DefaultLit(Expr(n.X), nil)
	n.Low = indexlit(Expr(n.Low))
	n.High = indexlit(Expr(n.High))
	n.Max = indexlit(Expr(n.Max))
	hasmax := n.Op().IsSlice3()

	case ir.OSTRINGHEADER:
		n := n.(*ir.StringHeaderExpr)
		return tcStringHeader(n)

	case ir.OMAKESLICECOPY:
		n := n.(*ir.MakeExpr)
		return tcMakeSliceCopy(n)

	case ir.OSLICE, ir.OSLICE3:
		n := n.(*ir.SliceExpr)
		return tcSlice(n)

	// call and call like
	case ir.OCALL:
		n := n.(*ir.CallExpr)
		return tcCall(n, top)

	case ir.OCAP, ir.OLEN:
		n := n.(*ir.UnaryExpr)

			o.exprList(n.Args)
		}

		if lhs == nil || lhs.Op() != ir.ONAME && !ir.SameSafeExpr(lhs, n.Args[0]) {
			return o.copyExpr(n)
		}
		return n

	case ir.OSLICE, ir.OSLICEARR, ir.OSLICESTR, ir.OSLICE3, ir.OSLICE3ARR:
		n := n.(*ir.SliceExpr)
		n.X = o.expr(n.X, nil)
		n.Low = o.cheapExpr(o.expr(n.Low, nil))
		n.High = o.cheapExpr(o.expr(n.High, nil))
		n.Max = o.cheapExpr(o.expr(n.Max, nil))

			}
		} else {
			if rhs == nil {
				r = s.zeroVal(t)
			} else {
				r = s.expr(rhs)
			}
		}

		var skip skipMask
		if rhs != nil && (rhs.Op() == ir.OSLICE || rhs.Op() == ir.OSLICE3 || rhs.Op() == ir.OSLICESTR) && ir.SameSafeExpr(rhs.(*ir.SliceExpr).X, n.X) {
			// We're assigning a slicing operation back to its source.
			// Don't write back fields we aren't changing. See issue #14855.