1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/expressions/arrow-function/syntax/early-errors/arrowparameters-cover-no-duplicates-binding-object-5.js b/js/src/tests/test262/language/expressions/arrow-function/syntax/early-errors/arrowparameters-cover-no-duplicates-binding-object-5.js
new file mode 100644
index 0000000000..7115a09a43
--- /dev/null
+++ b/js/src/tests/test262/language/expressions/arrow-function/syntax/early-errors/arrowparameters-cover-no-duplicates-binding-object-5.js
@@ -0,0 +1,30 @@
+// |reftest| error:SyntaxError
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.2.1
+description: >
+    ArrowParameters[Yield] :
+      ...
+      CoverParenthesizedExpressionAndArrowParameterList[?Yield]
+
+    CoverParenthesizedExpressionAndArrowParameterList, refined by:
+
+    ArrowFormalParameters[Yield, GeneratorParameter] :
+      ( StrictFormalParameters[?Yield, ?GeneratorParameter] )
+
+    ObjectBindingPattern
+
+    BindingPropertyList
+
+    BindingRestElement
+
+    No duplicates
+
+negative:
+  phase: parse
+  type: SyntaxError
+---*/
+
+$DONOTEVALUATE();
+var af = ({y: x}, ...x) => 1;