Make sure a class is resolved before looking up its elements.

frog/tests/leg_only/src/StaticField2Test.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.
 
 void expectEquals(var expected, var actual) {
   if (expected == actual) {
   } else {
     print("Actual does not match expected");
     throw actual;
   }
 }
 
 class A {
   static int b;
-
-  setA(val) {
-    b = val;
-  }
-
-  bar() {
-    return b;
-  }
-
-  bar2() {
-    return A.b;
-  }
 }
 
 main() {
-  A a = new A();
-  a.setA(42);
-  expectEquals(42, a.bar());
-  expectEquals(42, a.bar2());
+  A.b = 42;
+  expectEquals(42, A.b);
 }