Resolve redirecting factories.

dart/lib/compiler/implementation/typechecker.dart

 // Copyright (c) 2012, 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.
 
 part of dart2js;
 
 class TypeCheckerTask extends CompilerTask {
   TypeCheckerTask(Compiler compiler) : super(compiler);
   String get name => "Type checker";
 
@@ skipping 776 matching lines @@
   }
 
   /** Dart Programming Language Specification: 11.10 Return */
   DartType visitReturn(Return node) {
     if (identical(node.getBeginToken().stringValue, 'native')) {
       return StatementType.RETURNING;
     }
     if (node.isRedirectingFactoryBody) {
       // TODO(lrn): Typecheck the body. It must refer to the constructor
       // of a subtype.
-      return elements.getType(node);
+      return StatementType.RETURNING;
     }
 
     final expression = node.expression;
     final isVoidFunction = (identical(expectedReturnType, types.voidType));
 
     // Executing a return statement return e; [...] It is a static type warning
     // if the type of e may not be assigned to the declared return type of the
     // immediately enclosing function.
     if (expression != null) {
       final expressionType = analyze(expression);
@@ skipping 220 matching lines @@
   }
 
   DartType visitStringNode(StringNode node) {
     compiler.unimplemented('visitNode', node: node);
   }
 
   DartType visitLibraryDependency(LibraryDependency node) {
     compiler.unimplemented('visitNode', node: node);
   }
 }