diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/basic/testBug520503-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/basic/testBug520503-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,3 @@
+(new Function("for (var j=0; j<9; ++j) { (function sum_indexing(array,start){return array.length==start ? 0 : array[start]+ sum_indexing(array,start+1)})([true,true,undefined],0)}"))()
+
+/* Should not have crashed. */