if val != nil && !types.Identical(tmp.Type(), val.Type()) {
		base.Fatalf("bad initial value for %L: %L", tmp, val)
	}
	appendWalkStmt(init, ir.NewAssignStmt(base.Pos, tmp, val))
	return typecheck.Expr(typecheck.NodAddr(tmp)).(*ir.AddrExpr)
}

// stackTempAddr returns the expression &tmp, where tmp is a newly
// allocated temporary variable of the given type. Statements to
// zero-initialize tmp are appended to init.

				ir.NewIndexExpr(base.Pos, globals, ir.NewInt(base.Pos, int64(i))), lname(f)), val)
			init.Append(typecheck.Stmt(r))
		}
		// globals[i].beg = uintptr(unsafe.Pointer(&n))
		c = tconv(typecheck.NodAddr(n), types.Types[types.TUNSAFEPTR])
		c = tconv(c, types.Types[types.TUINTPTR])
		setField("beg", c, i)
		// Assign globals[i].size.
		g := n.(*ir.Name)
		size := g.Type().Size()

			dflt = cas
			continue
		}
		switch n.Op() {
		case ir.OSEND:
			n := n.(*ir.SendStmt)
			n.Value = typecheck.NodAddr(n.Value)
			n.Value = typecheck.Expr(n.Value)

		case ir.OSELRECV2:
			n := n.(*ir.AssignListStmt)
			if !ir.IsBlank(n.Lhs[0]) {
				n.Lhs[0] = typecheck.NodAddr(n.Lhs[0])
				n.Lhs[0] = typecheck.Expr(n.Lhs[0])
			}
		}
	}

	for i, value := range clos.List {
		clos.List[i] = ir.NewStructKeyExpr(base.Pos, typ.Field(i), value)
	}

	addr := typecheck.NodAddr(clos)
	addr.SetEsc(clo.Esc())

	// Force type conversion from *struct to the func type.
	cfn := typecheck.ConvNop(addr, clo.Type())

	// non-escaping temp to use, if any.
	if x := clo.Prealloc; x != nil {

	}
	ht := types.NewArray(types.Types[types.TUINT8], 16)
	hashx := ir.NewCompLitExpr(pos, ir.OCOMPLIT, ht, elist)

	// Materalize expression corresponding to address of the meta-data symbol.
	mdax := typecheck.NodAddr(cnames.MetaVar)
	mdauspx := typecheck.ConvNop(mdax, types.Types[types.TUNSAFEPTR])

	// Materialize expression for length.
	lenx := ir.NewInt(base.Pos, int64(mdlen)) // untyped