Fix kernel/visitor_test

pkg/compiler/lib/src/elements/modelx.dart

 // Copyright (c) 2013, 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 elements.modelx;
 
 import '../common.dart';
 import '../common/names.dart' show Identifiers;
 import '../common/resolution.dart' show Resolution, ParsingContext;
 import '../compiler.dart' show Compiler;
@@ skipping 294 matching lines @@
   // [ElementKind.GENERATIVE_CONSTRUCTOR], and it shouldn't throw as much.
 
   ErroneousConstructorElementX(MessageKind messageKind, Map messageArguments,
       String name, Element enclosing)
       : super(messageKind, messageArguments, name, enclosing);
 
   @override
   bool get isRedirectingGenerative => false;
 
   @override
+  bool isRedirectingGenerativeInternal;
+
+  @override
   void set isRedirectingGenerative(_) {
     throw new UnsupportedError("isRedirectingGenerative");
   }
 
   @override
   bool get isRedirectingFactory => false;
 
   @override
   get definingElement {
     throw new UnsupportedError("definingElement");
@@ skipping 1890 matching lines @@
   }
 
   /// Returns the empty list of type variables by default.
   @override
   List<DartType> get typeVariables => functionSignature.typeVariables;
 }
 
 abstract class ConstructorElementX extends FunctionElementX
     with ConstantConstructorMixin, ConstructorElementCommon
     implements ConstructorElement {
-  bool isRedirectingGenerative = false;
+  bool isRedirectingGenerativeInternal = false;
 
   ConstructorElementX(
       String name, ElementKind kind, Modifiers modifiers, Element enclosing)
       : super(name, kind, modifiers, enclosing);
 
   ConstructorElement _immediateRedirectionTarget;
   PrefixElement _redirectionDeferredPrefix;
 
   ConstructorElementX get patch => super.patch;
 
+  bool get isRedirectingGenerative {
+    if (isPatched) return patch.isRedirectingGenerative;
+    return isRedirectingGenerativeInternal;
+  }
+
   bool get isRedirectingFactory => immediateRedirectionTarget != null;
 
   // TODO(johnniwinther): This should also return true for cyclic redirecting
   // generative constructors.
   bool get isCyclicRedirection => effectiveTarget.isRedirectingFactory;
 
   bool get isDefaultConstructor => false;
 
   /// These fields are set by the post process queue when checking for cycles.
   ConstructorElement effectiveTargetInternal;
@@ skipping 1160 matching lines @@
       body = node.asFunctionExpression().body;
     }
     return new ParsedResolvedAst(
         declaration,
         node,
         body,
         definingElement.treeElements,
         definingElement.compilationUnit.script.resourceUri);
   }
 }