text: // This file was procedurally generated from the following sources:
  // - src/dstr-binding-for-await/ary-ptrn-elem-id-init-fn-name-gen.case
  // - src/dstr-binding-for-await/default/for-await-of-async-gen-let.template
  /*---
  description: SingleNameBinding assigns name to "anonymous" generator functions (for-await-of statement)
  esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
  features: [destructuring-binding, async-iteration]
  flags: [generated, async]
  info: |
      IterationStatement :
          for await ( ForDeclaration of AssignmentExpression ) Statement
  
      [...]
      2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
          lexicalBinding, labelSet, async).
  
      13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
  
      [...]
      4. Let destructuring be IsDestructuring of lhs.
      [...]
      6. Repeat
         [...]
         j. If destructuring is false, then
            [...]
         k. Else
            i. If lhsKind is assignment, then
               [...]
            ii. Else if lhsKind is varBinding, then
                [...]
            iii. Else,
                 1. Assert: lhsKind is lexicalBinding.
                 2. Assert: lhs is a ForDeclaration.
                 3. Let status be the result of performing BindingInitialization
                    for lhs passing nextValue and iterationEnv as arguments.
            [...]
  
      13.3.3.6 Runtime Semantics: IteratorBindingInitialization
  
      SingleNameBinding : BindingIdentifier Initializer_opt
  
      [...]
      5. If Initializer is present and v is undefined, then
         a. Let defaultValue be the result of evaluating Initializer.
         b. Set v to ? GetValue(defaultValue).
         c. If IsAnonymousFunctionDefinition(Initializer) is true, then
            [...]
      6. If environment is undefined, return PutValue(lhs, v).
      7. Return InitializeReferencedBinding(lhs, v).
  ---*/
  
  var iterCount = 0;
  
  async function *fn() {
    for await (let [gen = function* () {}, xGen = function* x() {}] of [[]]) {
      assert.sameValue(gen.name, 'gen');
      assert.notSameValue(xGen.name, 'xGen');
  
      iterCount += 1;
    }
  }
  
  fn().next()
    .then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
    .then($DONE, $DONE);
  
  