member function can be assigned to member variable

[nyuichi]

class _Main {

    var a = (new _Main).foo;

    function foo () : void { }

    static function main (args : string[]) : void {
        new _Main;
    }

}

$ bin/jsx --run /tmp/foo.jsx

/private/var/folders/4d/_5w82zgs4jqghx364plnrfjh0000gn/T/foo.jsx.36443.13e44570f10.js:119
function _Main$() {
               ^
RangeError: Maximum call stack size exceeded