diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testBug762450.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testBug762450.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+function f(a, b, c) {
+    arguments[0] = 3;
+    return (c--) + 1;
+}
+var r = f();
+print(r);
+assertEq(r !== r, true);