js/src/tests/test262/language/statements/try/early-catch-duplicates.js


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// |reftest| error:SyntaxError
// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-try-statement-static-semantics-early-errors
es6id: 13.15.1
description: >
    It is a Syntax Error if BoundNames of CatchParameter contains any duplicate
    elements.
negative:
  phase: parse
  type: SyntaxError
---*/

$DONOTEVALUATE();

try { } catch ([x, x]) {}