text: // This file was procedurally generated from the following sources:
  // - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case
  // - src/dstr-binding/error/gen-func-decl.template
  /*---
  description: Error forwarding when IteratorValue returns an abrupt completion (generator function declaration)
  esid: sec-generator-function-definitions-runtime-semantics-instantiatefunctionobject
  es6id: 14.4.12
  features: [destructuring-binding]
  flags: [generated]
  info: |
      GeneratorDeclaration : function * ( FormalParameters ) { GeneratorBody }
  
          [...]
          2. Let F 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
  
      [...]
      4. If iteratorRecord.[[done]] is false, then
         a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
         b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
         c. ReturnIfAbrupt(next).
         d. If next is false, set iteratorRecord.[[done]] to true.
         e. Else,
            i. Let v be IteratorValue(next).
            ii. If v is an abrupt completion, set iteratorRecord.[[done]] to
                true.
            iii. ReturnIfAbrupt(v).
  ---*/
  var poisonedValue = Object.defineProperty({}, 'value', {
    get: function() {
      throw new Test262Error();
    }
  });
  var g = {};
  g[Symbol.iterator] = function() {
    return {
      next: function() {
        return poisonedValue;
      }
    };
  };
  
  function* f([x]) {}
  
  assert.throws(Test262Error, function() {
    f(g);
  });
  