1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/delete/11.4.1-5-2.js b/js/src/tests/test262/language/expressions/delete/11.4.1-5-2.js
new file mode 100644
index 0000000000..7f7cb95ad1
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/delete/11.4.1-5-2.js
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-delete-operator-runtime-semantics-evaluation
+description: >
+    delete operator returns false when deleting a direct reference to
+    a function argument
+flags: [noStrict]
+---*/
+
+function foo(a, b) {
+  // Now, deleting 'a' directly should fail
+  // because 'a' is direct reference to a function argument;
+  var d = delete a;
+  return d === false && a === 1;
+}
+
+assert(foo(1, 2), 'foo(1,2) !== true');
+
+reportCompare(0, 0);