text: // This file was procedurally generated from the following sources:
  // - src/dstr-binding/ary-ptrn-elem-id-init-unresolvable.case
  // - src/dstr-binding/error/gen-func-expr.template
  /*---
  description: Destructuring initializer is an unresolvable reference (generator function expression)
  esid: sec-generator-function-definitions-runtime-semantics-evaluation
  es6id: 14.4.14
  features: [generators, destructuring-binding]
  flags: [generated]
  info: |
      GeneratorExpression : function * ( FormalParameters ) { GeneratorBody }
  
          [...]
          3. Let closure be GeneratorFunctionCreate(Normal, FormalParameters,
             GeneratorBody, 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.
      [...]
  
      13.3.3.6 Runtime Semantics: IteratorBindingInitialization
  
      SingleNameBinding : BindingIdentifier Initializeropt
  
      [...]
      6. If Initializer is present and v is undefined, then
         a. Let defaultValue be the result of evaluating Initializer.
         b. Let v be GetValue(defaultValue).
         c. ReturnIfAbrupt(v).
  
      6.2.3.1 GetValue (V)
  
      1. ReturnIfAbrupt(V).
      2. If Type(V) is not Reference, return V.
      3. Let base be GetBase(V).
      4. If IsUnresolvableReference(V), throw a ReferenceError exception.
  ---*/
  
  var f = function*([ x = unresolvableReference ]) {};
  
  assert.throws(ReferenceError, function() {
    f([]);
  });
  