diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug684824.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug684824.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,7 @@
+
+function X(n) {
+    while ('' + (n--)) {
+        break;
+    }
+}
+X();