- Inline iterator calls made for a "for in".

tests/language/for_in_side_effects_test.dart

+// Copyright (c) 2013, 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.
+
+// Regression test for dart2js that used to not see side effects of
+// iterator calls made in a "for in".
+
+import "package:expect/expect.dart";
+
+var global = 42;
+var array = [new A()];
+
+class A {
+  get iterator {
+    global = 54;
+    return this;
+  }
+  moveNext() => false;
+
+  bar(a) {
+    for (var a in this) {
+    }
+  }
+}
+
+main() {
+  array[0].bar(global);
+  Expect.equals(54, global);
+}