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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
desc: >
  It is a Syntax Error if BoundNames of FormalParameters contains any duplicate
  elements.
template: syntax
negative:
  phase: parse
  type: SyntaxError
info: |
  14.1.2 Static Semantics: Early Errors

  StrictFormalParameters : FormalParameters

  - It is a Syntax Error if BoundNames of FormalParameters contains any
    duplicate elements.

  FormalParameters : FormalParameterList

  - It is a Syntax Error if IsSimpleParameterList of FormalParameterList is
    false and BoundNames of FormalParameterList contains any duplicate
    elements.
features: [default-parameters]
---*/

//- setup
throw "Test262: This statement should not be evaluated.";
//- params
x = 0, x