text: // Copyright (C) 2015 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  description: >
      When a `yield` token appears within the Initializer of a nested
      destructuring assignment and outside of a generator function body, it
      should behave as an IdentifierReference.
  es6id: 12.14.5.4
  flags: [onlyStrict]
  negative: SyntaxError
  ---*/
  
  var x;
  0, { x: { x = yield } } = { x: {} };
  