diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/pic/bug595706.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/pic/bug595706.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,19 @@
+function f(useArg2, arg2, expect) {
+    var args = arguments;
+    if (useArg2)
+	args = arg2;
+
+    print(args)
+    assertEq(args.length, expect);
+}
+
+// Generate a PIC for arguments.
+f(false, 0, 3);
+f(false, 0, 3);
+f(false, 0, 3);
+
+// Now call it with a slow array.
+var a = [1, 2, 3];
+a.x = 9;
+
+f(true, a, 3);