text: // This file was procedurally generated from the following sources:
  // - src/function-forms/dflt-params-duplicates.case
  // - src/function-forms/syntax/async-func-expr-named.template
  /*---
  description: It is a Syntax Error if BoundNames of FormalParameters contains any duplicate elements. (async function named expression)
  esid: sec-async-function-definitions
  features: [default-parameters, async-functions]
  flags: [generated]
  negative:
    phase: parse
    type: SyntaxError
  info: |
      14.6 Async Function Definitions
  
      AsyncFunctionExpression :
        async function BindingIdentifier ( FormalParameters ) { AsyncFunctionBody }
  
  
      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.
  
  ---*/
  throw "Test262: This statement should not be evaluated.";
  
  
  (async function f(x = 0, x) {
    
  });
  