failing test for 'for ... in' on array

idea/testData/codegen/forInArray.jet

@@ -0,0 +1,7 @@
+fun concat(l: Array<String>): String {
+  val sb = new StringBuilder()
+  for(s in l) {
+    sb.append(s)
+  }
+  s.toString()
+}

idea/tests/org/jetbrains/jet/codegen/ControlStructuresTest.java

@@ -77,4 +77,11 @@ public class ControlStructuresTest extends CodegenTestCase {
         List<String> args = Arrays.asList("IntelliJ", " ", "IDEA");
         assertEquals("IntelliJ IDEA", main.invoke(args));
     }
+
+    public void testForInArray() throws Exception {
+        loadFile("forInArray.jet");
+        final Method main = generateFunction();
+        String[] args = new String[] { "IntelliJ", " ", "IDEA" };
+        assertEquals("IntelliJ IDEA", main.invoke(args));
+    }
 }