More fatal errors to prevent crashes.

dart/pkg/compiler/lib/src/resolution/members.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 resolution;
 
 abstract class TreeElements {
   AnalyzableElement get analyzedElement;
   Iterable<Node> get superUses;
 
@@ skipping 725 matching lines @@
         assert(invariant(target, targetType != null,
             message: 'Redirection target type has not been computed for '
                      '$target'));
         target = target.internalEffectiveTarget;
         break;
       }
 
       Element nextTarget = target.immediateRedirectionTarget;
       if (seen.contains(nextTarget)) {
         error(node, MessageKind.CYCLIC_REDIRECTING_FACTORY);
+        // TODO(ahe): Don't throw, recover from error.
+        throw new CompilerCancelledException(null);
         break;
       }
       seen.add(target);
       target = nextTarget;
     }
 
     if (targetType == null) {
       assert(!target.isRedirectingFactory);
       targetType = target.enclosingClass.thisType;
     }
@@ skipping 4254 matching lines @@
 }
 
 /// The result for the resolution of the `assert` method.
 class AssertResult implements ResolutionResult {
   const AssertResult();
 
   Element get element => null;
 
   String toString() => 'AssertResult()';
 }