fixes #158, precendence of call and access in new

lib/runtime/dart/_isolate_helper.js

 var _isolate_helper;
 (function(exports) {
   'use strict';
   // Function _serializeMessage: (dynamic) → dynamic
   function _serializeMessage(message) {
     return new _Serializer().serialize(message);
   }
   // Function _deserializeMessage: (dynamic) → dynamic
   function _deserializeMessage(message) {
     return new _Deserializer().deserialize(message);
   }
   // Function _clone: (dynamic) → dynamic
   function _clone(message) {
     let serializer = new _Serializer({serializeSendPorts: false});
     let deserializer = new _Deserializer();
     return deserializer.deserialize(serializer.serialize(message));
   }
   let _serializeSendPorts = Symbol('_serializeSendPorts');
   let _workerId = Symbol('_workerId');
   let _isolateId = Symbol('_isolateId');
   let _receivePortId = Symbol('_receivePortId');
   let _id = Symbol('_id');
   let _receivePort = Symbol('_receivePort');
   class _Serializer extends core.Object {
     _Serializer(opts) {
       let serializeSendPorts = opts && 'serializeSendPorts' in opts ? opts.serializeSendPorts : true;
-      this.serializedObjectIds = new core.Map$(dart.dynamic, core.int).identity();
+      this.serializedObjectIds = new (core.Map$(dart.dynamic, core.int)).identity();
       this[_serializeSendPorts] = dart.as(serializeSendPorts, core.bool);
     }
     serialize(x) {
       if (this.isPrimitive(x))
         return this.serializePrimitive(x);
       let serializationId = this.serializedObjectIds.get(x);
       if (serializationId != null)
         return this.makeRef(serializationId);
       serializationId = this.serializedObjectIds.length;
       this.serializedObjectIds.set(x, serializationId);
@@ skipping 977 matching lines @@
       let signalReply = port.sendPort;
       if (dart.notNull(exports._globalState.useWorkers) && !dart.notNull(isLight)) {
         IsolateNatives._startWorker(functionName, uri, args, message, isSpawnUri, startPaused, signalReply, message => completer.completeError(message));
       } else {
         IsolateNatives._startNonWorker(functionName, uri, args, message, isSpawnUri, startPaused, signalReply);
       }
       return completer.future;
     }
     static _startWorker(functionName, uri, args, message, isSpawnUri, startPaused, replyPort, onError) {
       if (args != null)
-        args = new core.List$(core.String).from(args);
+        args = new (core.List$(core.String)).from(args);
       if (exports._globalState.isWorker) {
         exports._globalState.mainManager.postMessage(_serializeMessage(dart.map({command: 'spawn-worker', functionName: functionName, args: args, msg: message, uri: uri, isSpawnUri: isSpawnUri, startPaused: startPaused, replyPort: replyPort})));
       } else {
         IsolateNatives._spawnWorker(functionName, uri, args, message, isSpawnUri, startPaused, replyPort, onError);
       }
     }
     static _startNonWorker(functionName, uri, args, message, isSpawnUri, startPaused, replyPort) {
       if (uri != null) {
         throw new core.UnsupportedError("Currently spawnUri is not supported without web workers.");
       }
       message = _clone(message);
       if (args != null)
-        args = new core.List$(core.String).from(args);
+        args = new (core.List$(core.String)).from(args);
       exports._globalState.topEventLoop.enqueue(new _IsolateContext(), () => {
         let func = IsolateNatives._getJSFunctionFromName(functionName);
         IsolateNatives._startIsolate(dart.as(func, core.Function), args, message, isSpawnUri, startPaused, replyPort);
       }, 'nonworker start');
     }
     static get currentIsolate() {
       let context = dart.as(_foreign_helper.JS_CURRENT_ISOLATE_CONTEXT(), _IsolateContext);
       return new isolate.Isolate(context.controlPort.sendPort, {pauseCapability: context.pauseCapability, terminateCapability: context.terminateCapability});
     }
     static _startIsolate(topLevel, args, message, isSpawnUri, startPaused, replyTo) {
@@ skipping 329 matching lines @@
   exports.leaveJsAsync = leaveJsAsync;
   exports.isWorker = isWorker;
   exports.startRootIsolate = startRootIsolate;
   exports.IsolateNatives = IsolateNatives;
   exports.RawReceivePortImpl = RawReceivePortImpl;
   exports.ReceivePortImpl = ReceivePortImpl;
   exports.TimerImpl = TimerImpl;
   exports.hasTimer = hasTimer;
   exports.CapabilityImpl = CapabilityImpl;
 })(_isolate_helper || (_isolate_helper = {}));