Serialize / resynthesize 'isAsynchronous' and 'isGenerator' flags.

pkg/analyzer/lib/src/summary/resynthesize.dart

 // Copyright (c) 2015, 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.
 
 library summary_resynthesizer;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
@@ skipping 1907 matching lines @@
           serializedExecutable.kind == UnlinkedExecutableKind.setter;
       executableElement.returnType =
           buildLinkedType(serializedExecutable.inferredReturnTypeSlot) ??
               buildType(serializedExecutable.returnType,
                   defaultVoid: isSetter && summaryResynthesizer.strongMode);
       executableElement.hasImplicitReturnType =
           serializedExecutable.returnType == null;
     }
     executableElement.type = new FunctionTypeImpl.elementWithNameAndArgs(
         executableElement, null, getCurrentTypeArguments(skipLevels: 1), false);
+    executableElement.asynchronous = serializedExecutable.isAsynchronous;
     executableElement.external = serializedExecutable.isExternal;
+    executableElement.generator = serializedExecutable.isGenerator;
     buildDocumentation(
         executableElement, serializedExecutable.documentationComment);
     buildAnnotations(executableElement, serializedExecutable.annotations);
     buildCodeRange(executableElement, serializedExecutable.codeRange);
     executableElement.functions =
         serializedExecutable.localFunctions.map(buildLocalFunction).toList();
     executableElement.labels =
         serializedExecutable.localLabels.map(buildLocalLabel).toList();
     executableElement.localVariables =
         serializedExecutable.localVariables.map(buildLocalVariable).toList();
@@ skipping 705 matching lines @@
   static String _getElementIdentifier(String name, ReferenceKind kind) {
     if (kind == ReferenceKind.topLevelPropertyAccessor ||
         kind == ReferenceKind.propertyAccessor) {
       if (!name.endsWith('=')) {
         return name + '?';
       }
     }
     return name;
   }
 }