Test (and fix some) invalid assignments.

tests/language/static_setter_get_test.dart

Index: tests/language/static_setter_get_test.dart
diff --git a/tests/compiler/dart2js_extra/22917_test.dart b/tests/language/static_setter_get_test.dart
similarity index 62%
copy from tests/compiler/dart2js_extra/22917_test.dart
copy to tests/language/static_setter_get_test.dart
index e4f46da549655e11e6dff57181ea9d018864a4d4..a10c1d9205982a1e479f51c3c9b0cc7ec8ed4533 100644
--- a/tests/compiler/dart2js_extra/22917_test.dart
+++ b/tests/language/static_setter_get_test.dart
@@ -2,14 +2,14 @@
 // 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.
 
-// Regression test for http://dartbug.com/22917
-
 import 'package:expect/expect.dart';
 
-m(x) => print('x: $x');
-    
-test() => Function.apply(m, []);
+class Class {
+  static set o(_) {}
+  m() => o; /// 01: static type warning
+  noSuchMethod(_) => 42;
+}
 
 main() {
-  Expect.throws(test);
-}
+  Expect.throws(() => new Class().m()); /// 01: continued
+}