1 files changed, 14 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/function/param-duplicated-non-strict.js b/js/src/tests/test262/language/statements/function/param-duplicated-non-strict.js
new file mode 100644
index 0000000000..af154b8f3a
--- /dev/null
+++ b/js/src/tests/test262/language/statements/function/param-duplicated-non-strict.js
@@ -0,0 +1,14 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 13.1-1-1
+description: >
+    Duplicate identifier allowed in non-strict function declaration
+    parameter list
+flags: [noStrict]
+---*/
+
+function foo(a,a){}
+
+reportCompare(0, 0);