diff -r 000000000000 -r 6474c204b198 storage/test/unit/test_bug-429521.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/storage/test/unit/test_bug-429521.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+function setup() 
+{
+    getOpenedDatabase().createTable("t1", "x TEXT");
+
+    var stmt = createStatement("INSERT INTO t1 (x) VALUES ('/mozilla.org/20070129_1/Europe/Berlin')");
+    stmt.execute();
+    stmt.finalize();
+}
+
+function test_bug429521() 
+{
+    var stmt = createStatement(
+        "SELECT DISTINCT(zone) FROM ("+
+            "SELECT x AS zone FROM t1 WHERE x LIKE '/mozilla.org%'" +
+        ");");
+
+    print("*** test_bug429521: started");
+
+    try {
+        while (stmt.executeStep()) {
+            print("*** test_bug429521: step() Read wrapper.row.zone");
+
+            // BUG: the print commands after the following statement
+            // are never executed. Script stops immediately.
+            var tzId = stmt.row.zone;
+
+            print("*** test_bug429521: step() Read wrapper.row.zone finished");
+        }
+    } catch (e) {
+        print("*** test_bug429521: " + e);
+    }
+
+    print("*** test_bug429521: finished");
+
+    stmt.finalize();
+}
+
+function run_test()
+{
+  setup();
+
+  test_bug429521();
+    
+  cleanup();
+}