Check cycles in redirecting factories.

sdk/lib/_internal/compiler/implementation/compile_time_constants.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;
 
 /**
  * The [ConstantHandler] keeps track of compile-time constants,
  * initializations of global and static fields, and default values of
  * optional parameters.
@@ skipping 695 matching lines @@
     return makeConstructedConstant(node, type, constructor, evaluateArguments);
   }
 
   Constant makeConstructedConstant(
       Node node, InterfaceType type, FunctionElement constructor,
       List<Constant> getArguments(FunctionElement constructor)) {
     if (constructor.isRedirectingFactory) {
       type = constructor.computeTargetType(compiler, type);
     }
 
-    constructor = constructor.redirectionTarget;
+    FunctionElement target = constructor.redirectionTarget;
+    if (target != null) {
+      constructor = target;
+    } else {
+      constructor = constructor.defaultImplementation;
+    }
     ClassElement classElement = constructor.getEnclosingClass();
     // The constructor must be an implementation to ensure that field
     // initializers are handled correctly.
     constructor = constructor.implementation;
     assert(invariant(node, constructor.isImplementation));
 
     List<Constant> arguments = getArguments(constructor);
     ConstructorEvaluator evaluator =
         new ConstructorEvaluator(constructor, handler, compiler);
     evaluator.evaluateConstructorFieldValues(arguments);
@@ skipping 223 matching lines @@
           if (fieldValue == null) {
             // Use the default value.
             fieldValue = handler.compileConstant(field);
           }
           jsNewArguments.add(fieldValue);
         },
         includeSuperAndInjectedMembers: true);
     return jsNewArguments;
   }
 }