diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug583160.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug583160.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+(function() {
+  for (a in []) {
+    (function() {})
+    ([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+h.I])
+  }
+})()
+
+/* Don't assert. */
+