diff -r 000000000000 -r 6474c204b198 xpcom/tests/unit/test_nsIProcess_stress.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/xpcom/tests/unit/test_nsIProcess_stress.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,27 @@
+function run_test() {
+  set_process_running_environment();
+
+  var file = get_test_program("TestQuickReturn");
+  var thread = Components.classes["@mozilla.org/thread-manager;1"]
+                         .getService().currentThread;
+
+  for (var i = 0; i < 1000; i++) {
+    var process = Components.classes["@mozilla.org/process/util;1"]
+                          .createInstance(Components.interfaces.nsIProcess);
+    process.init(file);
+
+    process.run(false, [], 0);
+
+    try {
+      process.kill();
+    }
+    catch (e) { }
+
+    // We need to ensure that we process any events on the main thread -
+    // this allow threads to clean up properly and avoid out of memory
+    // errors during the test.
+    while (thread.hasPendingEvents())
+      thread.processNextEvent(false);
+  }
+
+}
\ No newline at end of file