1 files changed, 14 insertions, 0 deletions
diff --git a/dom/workers/test/jsversion_worker.js b/dom/workers/test/jsversion_worker.js
new file mode 100644
index 000000000..c66b72977
--- /dev/null
+++ b/dom/workers/test/jsversion_worker.js
@@ -0,0 +1,14 @@
+onmessage = function(evt) {
+  if (evt.data != 0) {
+    var worker = new Worker('jsversion_worker.js');
+    worker.onmessage = function(evt) {
+      postMessage(evt.data);
+    }
+
+    worker.postMessage(evt.data - 1);
+    return;
+  }
+
+  let foo = 'bar';
+  postMessage(true);
+}