diff -r 000000000000 -r 6474c204b198 js/xpconnect/tests/unit/test_bug1001094.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/xpconnect/tests/unit/test_bug1001094.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,4 @@
+function run_test() {
+  // Make sure nsJSID implements classinfo.
+  do_check_eq(Components.ID("{a6e2a27f-5521-4b35-8b52-99799a744aee}").equals, Components.ID("{daa47351-7d2e-44a7-b8e3-281802a1eab7}").equals);
+}