text: // This file was procedurally generated from the following sources:
  // - src/function-forms/dflt-params-arg-val-undefined.case
  // - src/function-forms/default/arrow-function.template
  /*---
  description: Use of intializer when argument value is `undefined` (arrow function expression)
  esid: sec-arrow-function-definitions-runtime-semantics-evaluation
  features: [default-parameters]
  flags: [generated]
  info: |
      ArrowFunction : ArrowParameters => ConciseBody
  
      [...]
      4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, scope, strict).
      [...]
  
      9.2.1 [[Call]] ( thisArgument, argumentsList)
  
      [...]
      7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
      [...]
  
      9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
  
      1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
      [...]
  
      9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
  
      [...]
      23. Let iteratorRecord be Record {[[iterator]]:
          CreateListIterator(argumentsList), [[done]]: false}.
      24. If hasDuplicates is true, then
          [...]
      25. Else,
          b. Let formalStatus be IteratorBindingInitialization for formals with
             iteratorRecord and env as arguments.
      [...]
  
      14.1.19 Runtime Semantics: IteratorBindingInitialization
  
      FormalsList : FormalsList , FormalParameter
  
      [...]
      23. Let iteratorRecord be Record {[[Iterator]]:
          CreateListIterator(argumentsList), [[Done]]: false}.
      24. If hasDuplicates is true, then
          [...]
      25. Else,
          a. Perform ? IteratorBindingInitialization for formals with
             iteratorRecord and env as arguments.
      [...]
  
  ---*/
  
  var callCount = 0;
  // Stores a reference `ref` for case evaluation
  var ref;
  ref = (fromLiteral = 23, fromExpr = 45, fromHole = 99) => {
    assert.sameValue(fromLiteral, 23);
    assert.sameValue(fromExpr, 45);
    assert.sameValue(fromHole, 99);
    callCount = callCount + 1;
  };
  
  ref(undefined, void 0);
  assert.sameValue(callCount, 1, 'arrow function invoked exactly once');
  