diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug617458.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug617458.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+
+function f(x) {
+    var a = 4 | x;
+    a = +a;
+}
+f(10);