Fix super noSuchMethod handling.

pkg/compiler/lib/src/resolution/semantic_visitor.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.semantics_visitor;
 
 import '../common.dart';
 import '../constants/expressions.dart';
 import '../dart_types.dart';
 import '../tree/tree.dart';
@@ skipping 4318 matching lines @@
   ///     m10() => unresolved?.foo = 42;
   ///     m11() => unresolved?.Foo?.bar = 42;
   ///
   // TODO(johnniwinther): Split the cases in which a prefix is resolved.
   R visitUnresolvedSet(
       Send node,
       Element element,
       Node rhs,
       A arg);
 
+  ///  Assignment of [rhs] to the unresolved super [element].
+  ///
+  /// For instance:
+  ///
+  ///     class B {}
+  ///     class C {
+  ///       m() => super.foo = 42;
+  ///     }
+  ///
+  R visitUnresolvedSuperSet(
+      Send node,
+      Element element,
+      Node rhs,
+      A arg);
+
   /// Invocation of the unresolved [element] with [arguments].
   ///
   /// For instance:
   ///
   ///     class C {}
   ///     m1() => unresolved(null, 42);
   ///     m2() => prefix.unresolved(null, 42);
   ///     m3() => Unresolved.foo(null, 42);
   ///     m4() => unresolved.foo(null, 42);
   ///     m5() => unresolved.Foo.bar(null, 42);
@@ skipping 1472 matching lines @@
   ///       C() : this._(42);
   ///     }
   ///
   R errorUnresolvedThisConstructorInvoke(
       Send node,
       Element element,
       NodeList arguments,
       Selector selector,
       A arg);
 }