diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/argumentsPassedToBuiltin.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/argumentsPassedToBuiltin.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+// bug 504797
+
+function f() {
+  g(arguments, 1);
+}
+
+function g(a, b) {
+  var s = Array.prototype.slice.call(a, b);
+  assertEq(s[0] == undefined, false);
+}
+
+for (var i = 0; i < 10; ++i) {
+  f(1, 2, 3, 4);
+}