Add a regression test.

tests/language/src/SuperCall2Test.dart

+// Copyright (c) 2011, 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.
+
+// Regresion test for bug discovered in frog handling super calls: the test case
+// mixes generics, super calls, and purposely doesn't allocate the base type.
+
+class C<T> {
+  foo(T a) {}
+}
+
+class D<T> extends C<T> {
+  foo(T a) {
+    super.foo(a); // used to be resolved incorrectly and generate this.foo(a).
+  }
+}
+
+main() {
+  var d = new D();
+  d.foo(null);
+}