Fix super noSuchMethod handling.

pkg/compiler/lib/src/resolution/send_structure.dart

 // Copyright (c) 2015, 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 dart2js.resolution.send_structure;
 
 import '../common.dart';
 import '../constants/expressions.dart';
 import '../dart_types.dart';
 import '../elements/elements.dart';
@@ skipping 751 matching lines @@
       case AccessKind.SUPER_SETTER:
         return visitor.visitSuperSetterSet(
             node,
             semantics.element,
             node.arguments.single,
             arg);
       case AccessKind.CONSTANT:
         // TODO(johnniwinther): Should this be a valid case?
         break;
       case AccessKind.UNRESOLVED_SUPER:
-        // TODO(johnniwinther): Handle this separately.
+        return visitor.visitUnresolvedSuperSet(
+            node,
+            semantics.element,
+            node.arguments.single,
+            arg);
       case AccessKind.UNRESOLVED:
         return visitor.visitUnresolvedSet(
             node,
             semantics.element,
             node.arguments.single,
             arg);
       case AccessKind.INVALID:
         return visitor.errorInvalidSet(
             node,
             semantics.element,
@@ skipping 2231 matching lines @@
   ThisConstructorInvokeStructure(
       this.node, this.constructor, this.callStructure);
 
   R dispatch(SemanticDeclarationVisitor<R, A> visitor, A arg) {
     return visitor.visitThisConstructorInvoke(
         node, constructor, node.argumentsNode, callStructure, arg);
   }
 
   bool get isConstructorInvoke => true;
 }