Resolve enum documentation comments.

pkg/analyzer/lib/src/generated/error_verifier.dart

 // Copyright (c) 2014, 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 engine.resolver.error_verifier;
 
 import 'dart:collection';
 import "dart:math" as math;
 
 import 'package:analyzer/src/generated/static_type_analyzer.dart';
@@ skipping 566 matching lines @@
     return super.visitDefaultFormalParameter(node);
   }
 
   @override
   Object visitDoStatement(DoStatement node) {
     _checkForNonBoolCondition(node.condition);
     return super.visitDoStatement(node);
   }
 
   @override
+  Object visitEnumDeclaration(EnumDeclaration node) {
+    ClassElement outerClass = _enclosingClass;
+    try {
+      _isInNativeClass = false;
+      _enclosingClass = node.element;
+      return super.visitEnumDeclaration(node);
+    } finally {
+      _enclosingClass = outerClass;
+    }
+  }
+
+  @override
   Object visitExportDirective(ExportDirective node) {
     ExportElement exportElement = node.element;
     if (exportElement != null) {
       LibraryElement exportedLibrary = exportElement.exportedLibrary;
       _checkForAmbiguousExport(node, exportElement, exportedLibrary);
       _checkForExportDuplicateLibraryName(node, exportElement, exportedLibrary);
       _checkForExportInternalLibrary(node, exportElement);
     }
     return super.visitExportDirective(node);
   }
@@ skipping 5383 matching lines @@
     toCheck.add(type.element);
     // type arguments
     if (type is InterfaceType) {
       InterfaceType interfaceType = type;
       for (DartType typeArgument in interfaceType.typeArguments) {
         _addTypeToCheck(typeArgument);
       }
     }
   }
 }