1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/lexical-check-1.js b/js/src/jit-test/tests/ion/lexical-check-1.js
new file mode 100644
index 000000000..e1ba1baa1
--- /dev/null
+++ b/js/src/jit-test/tests/ion/lexical-check-1.js
@@ -0,0 +1,15 @@
+function f() {
+    const x = 42;
+    function g() {
+        var s = 0;
+        for (var i = 100; i--;)
+            s += x;
+        return s;
+    }
+    return g;
+}
+
+var func = f();
+for (var i = 200; i--;)
+    assertEq(func(), 4200);
+