n.X = o.expr(n.X, nil)

		orderBody := true
		xt := typecheck.RangeExprType(n.X.Type())
		switch k := xt.Kind(); {
		default:
			base.Fatalf("order.stmt range %v", n.Type())

		case types.IsInt[k]:
			// Used only once, no need to copy.

		case k == types.TARRAY, k == types.TSLICE:
			if n.Value == nil || ir.IsBlank(n.Value) {
				// for i := range x will only use x once, to compute len(x).

pkg math/big, method (*Float) Int(*Int) (*Int, Accuracy)
pkg math/big, method (*Float) Int64() (int64, Accuracy)
pkg math/big, method (*Float) IsInf() bool
pkg math/big, method (*Float) IsInt() bool
pkg math/big, method (*Float) MantExp(*Float) int
pkg math/big, method (*Float) MinPrec() uint
pkg math/big, method (*Float) Mode() RoundingMode
pkg math/big, method (*Float) Mul(*Float, *Float) *Float