Fix super noSuchMethod handling.

tests/language/super_no_such_method3_test.dart

+// Copyright (c) 2016, 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.
+
+import 'package:expect/expect.dart';
+
+var result;
+
+class A {
+  noSuchMethod(im) {
+    result = 42;
+  }
+}
+
+class B extends A {
+  noSuchMethod(im) {
+    result = 87;
+  }
+
+  set foo(v) => super.foo = v; /// 01: static type warning
+}
+
+main() {
+  new B().foo = 0;           /// 01: continued
+  Expect.equals(42, result); /// 01: continued
+}