diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/auto-regress/bug664951.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/auto-regress/bug664951.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,9 @@
+// |jit-test| error:TypeError
+
+// Binary: cache/js-dbg-64-66c8ad02543b-linux
+// Flags:
+//
+var handler = { fix: function() { return []; } };
+var p = Proxy.createFunction(handler, function(){}, function(){});
+Proxy.fix(p);
+new p();