1 files changed, 9 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/bug646968-5.js b/js/src/jit-test/tests/basic/bug646968-5.js
new file mode 100644
index 0000000000..abc372a853
--- /dev/null
+++ b/js/src/jit-test/tests/basic/bug646968-5.js
@@ -0,0 +1,9 @@
+var y = 7;
+
+switch (function () { with ({}) return y; }()) {
+case 7:
+    let y;
+    break;
+default:
+    throw 'FAIL';
+}