}

	t := types.NewPtr(n.Type())
	linksymOffset := func(lsym *obj.LSym, offset int64) *ssa.Value {
		v := s.entryNewValue1A(ssa.OpAddr, t, lsym, s.sb)
		// TODO: Make OpAddr use AuxInt as well as Aux.
		if offset != 0 {
			v = s.entryNewValue1I(ssa.OpOffPtr, v.Type, offset, v)
		}
		return v
	}
	switch n.Op() {
	case ir.OLINKSYMOFFSET:
		no := n.(*ir.LinksymOffsetExpr)

		base.Fatalf("walkExpr: switch 1 unknown op %+v", n.Op())
		panic("unreachable")

	case ir.OGETG, ir.OGETCALLERPC, ir.OGETCALLERSP:
		return n

	case ir.OTYPE, ir.ONAME, ir.OLITERAL, ir.ONIL, ir.OLINKSYMOFFSET:
		// TODO(mdempsky): Just return n; see discussion on CL 38655.
		// Perhaps refactor to use Node.mayBeShared for these instead.
		// If these return early, make sure to still call
		// StringSym for constant strings.

		case ir.OMIN, ir.OMAX:
			// string or float requires runtime call, see (*ssagen.state).minmax method.
			return n.Type().IsString() || n.Type().IsFloat()

		case ir.OLITERAL, ir.ONIL, ir.ONAME, ir.OLINKSYMOFFSET, ir.OMETHEXPR,
			ir.OAND, ir.OANDNOT, ir.OLSH, ir.OOR, ir.ORSH, ir.OXOR, ir.OCOMPLEX, ir.OMAKEFACE,
			ir.OADDR, ir.OBITNOT, ir.ONOT, ir.OPLUS,
			ir.OCAP, ir.OIMAG, ir.OLEN, ir.OREAL,
			ir.OCONVNOP, ir.ODOT,

		if !exportFormat && n.Sym() != nil && n.Sym().Name[0] == '~' && n.Sym().Name[1] == 'b' {
			fmt.Fprint(s, "_")
			return
		}
		fallthrough
	case ONONAME:
		fmt.Fprint(s, n.Sym())

	case OLINKSYMOFFSET:
		n := n.(*LinksymOffsetExpr)
		fmt.Fprintf(s, "(%v)(%s@%d)", n.Type(), n.Linksym.Name, n.Offset_)

	case OTYPE:
		if n.Type() == nil && n.Sym() != nil {
			fmt.Fprint(s, n.Sym())
			return
		}

				if dt.RType != nil && dt.RType.Op() == ir.OADDR {
					addr := dt.RType.(*ir.AddrExpr)
					if addr.X.Op() == ir.OLINKSYMOFFSET {
						n1 = ir.TypeNode(n1.Type())
					}
				}
				if dt.ITab != nil && dt.ITab.Op() == ir.OADDR {
					addr := dt.ITab.(*ir.AddrExpr)
					if addr.X.Op() == ir.OLINKSYMOFFSET {
						n1 = ir.TypeNode(n1.Type())
					}
				}
			}
			cases = append(cases, oneCase{

	// Must be converting I2I (more specific to less specific interface).
	// Use the same code as e, _ = c.(T).
	var rhs ir.Node
	if n.TypeWord == nil || n.TypeWord.Op() == ir.OADDR && n.TypeWord.(*ir.AddrExpr).X.Op() == ir.OLINKSYMOFFSET {
		// Fixed (not loaded from a dictionary) type.
		ta := ir.NewTypeAssertExpr(base.Pos, c, toType)
		ta.SetOp(ir.ODOTTYPE2)
		// Allocate a descriptor for this conversion to pass to the runtime.

			return
		case ir.ONAME:
			arg := arg.(*ir.Name)
			if arg.Class == ir.PFUNC {
				return // reference to global function
			}
		case ir.OADDR:
			arg := arg.(*ir.AddrExpr)
			if arg.X.Op() == ir.OLINKSYMOFFSET {
				return // address of global symbol
			}

		case ir.OCONVNOP:
			arg := arg.(*ir.ConvExpr)

			// For unsafe.Pointer->uintptr conversion arguments, save the