diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/ion/bug849781.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/ion/bug849781.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,8 @@
+function c0(i) { print(i) }
+function c1() { c0.apply({}, arguments); }
+function c2() { c1.apply({}, arguments); }
+function c3(a) { c2(a); }
+c3(1);
+c3(1);
+c3("");
+c3("");