diff -r 000000000000 -r 6474c204b198 dom/bindings/parser/tests/test_variadic_callback.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/bindings/parser/tests/test_variadic_callback.py	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+import WebIDL
+
+def WebIDLTest(parser, harness):
+    parser.parse("""
+        callback TestVariadicCallback = any(any... arguments);
+    """)
+
+    results = parser.finish()
+
+    harness.ok(True, "TestVariadicCallback callback parsed without error.")