diff -r 000000000000 -r 6474c204b198 js/src/jit-test/tests/jaeger/bug592973-1.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/js/src/jit-test/tests/jaeger/bug592973-1.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,12 @@
+// vim: set ts=8 sts=4 et sw=4 tw=99:
+function f(x) {
+    if (x) {
+        let y;
+        y = 12;
+        (function () {
+          assertEq(y, 12);
+        })();
+    }
+}
+f(1);
+