n.SetType(nil)
				return n
			}
			if !checkmake(t, "buffer", &l) {
				n.SetType(nil)
				return n
			}
		} else {
			l = ir.NewInt(base.Pos, 0)
		}
		nn = ir.NewMakeExpr(n.Pos(), ir.OMAKECHAN, l, nil)
	}

	if i < len(args) {
		base.Errorf("too many arguments to make(%v)", t)
		n.SetType(nil)
		return n
	}

	nn.SetType(t)
	return nn
}

	case ir.OCLEAR:
		n := n.(*ir.UnaryExpr)
		return walkClear(n)

	case ir.OCLOSE:
		n := n.(*ir.UnaryExpr)
		return walkClose(n, init)

	case ir.OMAKECHAN:
		n := n.(*ir.MakeExpr)
		return walkMakeChan(n, init)

	case ir.OMAKEMAP:
		n := n.(*ir.MakeExpr)
		return walkMakeMap(n, init)

	case ir.OMAKESLICE:
		n := n.(*ir.MakeExpr)

		base.FatalfAt(n.Pos(), "OCALLMETH missed by typecheck")
		panic("unreachable")

	case ir.OCALLFUNC,
		ir.OCALLINTER,
		ir.OCAP,
		ir.OCOMPLEX,
		ir.OCOPY,
		ir.OIMAG,
		ir.OLEN,
		ir.OMAKECHAN,
		ir.OMAKEMAP,
		ir.OMAKESLICE,
		ir.OMAKESLICECOPY,
		ir.OMAX,
		ir.OMIN,
		ir.ONEW,
		ir.OREAL,
		ir.ORECOVERFP,
		ir.OSTR2BYTES,
		ir.OSTR2BYTESTMP,
		ir.OSTR2RUNES:

pkg reflect, func AppendSlice(Value, Value) Value
pkg reflect, func Copy(Value, Value) int
pkg reflect, func DeepEqual(interface{}, interface{}) bool
pkg reflect, func Indirect(Value) Value
pkg reflect, func MakeChan(Type, int) Value
pkg reflect, func MakeMap(Type) Value
pkg reflect, func MakeSlice(Type, int, int) Value
pkg reflect, func New(Type) Value
pkg reflect, func NewAt(Type, unsafe.Pointer) Value