Support for AwaitExpression in unlinked expressions.

pkg/analyzer/lib/src/dart/analysis/driver.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import 'dart:async';
 import 'dart:collection';
 import 'dart:typed_data';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart' show CompilationUnitElement;
@@ skipping 53 matching lines @@
  *
  *
  * TODO(scheglov) Clean up the list of implicitly analyzed files.
  *
  * TODO(scheglov) Handle not existing 'dart:x' URIs (while user is typing).
  */
 class AnalysisDriver {
   /**
    * The version of data format, should be incremented on every format change.
    */
-  static const int DATA_VERSION = 8;
+  static const int DATA_VERSION = 9;
 
   /**
    * The name of the driver, e.g. the name of the folder.
    */
   String name;
 
   /**
    * The scheduler that schedules analysis work in this, and possibly other
    * analysis drivers.
    */
@@ skipping 1214 matching lines @@
 }
 
 /**
  * TODO(scheglov) document
  */
 class _LibraryContext {
   final FileState file;
   final SummaryDataStore store;
   _LibraryContext(this.file, this.store);
 }