1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/uneval/bug496985.js b/js/src/tests/non262/extensions/uneval/bug496985.js
new file mode 100644
index 0000000000..0f68288cc5
--- /dev/null
+++ b/js/src/tests/non262/extensions/uneval/bug496985.js
@@ -0,0 +1,14 @@
+// |reftest| skip-if(!this.uneval)
+
+var a = function() {
+    return function ({x: arguments}) {
+        return arguments;
+    }
+}
+var b = eval(uneval(a));
+
+assertEq(a()({x: 1}), 1);
+assertEq(b()({x: 1}), 1);
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);