diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug617460.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug617460.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,10 @@
+
+function f() {
+    var x = NaN;
+    if (2 > 0) {}
+    var y = {};
+    var z = (1234 - x);
+    y.foo = z;
+    assertEq(x, NaN);
+}
+f();