text: // This file was procedurally generated from the following sources:
  // - src/dstr-binding-for-await/obj-ptrn-prop-id-init-unresolvable.case
  // - src/dstr-binding-for-await/error/for-await-of-async-gen-let.template
  /*---
  description: Destructuring initializer is an unresolvable reference (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 ( var ForBinding of AssignmentExpression ) Statement
  
      [...]
      2. Return ? ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult,
          varBinding, 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.
            [...]
  
      13.3.3.7 Runtime Semantics: KeyedBindingInitialization
  
      BindingElement : BindingPattern Initializer_opt
  
      [...]
      4. If Initializer is present and v is undefined, then
         a. Let defaultValue be the result of evaluating Initializer.
         b. Set v to ? GetValue(defaultValue).
  
      6.2.4.1 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.
  ---*/
  
  async function * gen() {
    for await (let { x: y = unresolvableReference } of [{}]) {
      return;
    }
  }
  
  gen().next()
    .then(_ => {
      throw new Test262Error("Expected async function to reject, but resolved.");
    }, ({ constructor }) => {
      assert.sameValue(constructor, ReferenceError);
      
    })
    .then($DONE, $DONE);
  