1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/lexical-check-3.js b/js/src/jit-test/tests/ion/lexical-check-3.js
new file mode 100644
index 000000000..dd10b1bc7
--- /dev/null
+++ b/js/src/jit-test/tests/ion/lexical-check-3.js
@@ -0,0 +1,23 @@
+function f() {
+
+    function g(n) {
+        n = n|0;
+        var s = 0;
+        for (var i = 0; (i = i + 1 |0) < 1000;) {
+            s = s * i;
+            if (!n) {
+                s = x;
+            }
+        }
+        return s;
+    }
+
+    return g;
+    let x;
+}
+
+var func = f();
+var r;
+for (var i = 0; i < 2000; i++)
+    r = func(i + 1);
+assertEq(r, 0);