diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/arguments/bug844048.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/arguments/bug844048.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,24 @@
+
+function foo() {
+  eval("\
+    for (var arguments in arguments)\
+      assertEq(f(i, 1), i+1);\
+  ");
+}
+foo();
+
+function bar() {
+  eval("\
+    var arguments;\
+    for each(e in [arguments, arguments]) {}\
+  ");
+}
+bar();
+
+(function(){assertEq(typeof eval("var arguments; arguments"), "object")})();
+try {
+  (function(... rest){assertEq(typeof eval("var arguments; arguments"), "object")})();
+  assertEq(false, true);
+} catch (e) {
+  assertEq(/SyntaxError/.test(e), true);
+}