text: // Copyright (C) 2016 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  /*---
  esid: sec-regular-expression-literals-runtime-semantics-evaluation
  es6id: 12.2.8.2
  description: Initial state of the `lastIndex` property
  info: |
    [...]
    3. Return RegExpCreate(pattern, flags).
  
    21.2.3.2.3 Runtime Semantics: RegExpCreate
  
    1. Let obj be ? RegExpAlloc(%RegExp%).
    2. Return ? RegExpInitialize(obj, P, F). 
  
    21.2.3.2.2 Runtime Semantics: RegExpInitialize
  
    [...]
    12. Perform ? Set(obj, "lastIndex", 0, true).
    [...]
  
    21.2.3.2.1 Runtime Semantics: RegExpAlloc
  
    [...]
    2. Perform ! DefinePropertyOrThrow(obj, "lastIndex", PropertyDescriptor
       {[[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
    [...]
  includes: [propertyHelper.js]
  ---*/
  
  var re = /./;
  
  assert.sameValue(re.lastIndex, 0);
  
  verifyNotEnumerable(re, 'lastIndex');
  verifyWritable(re, 'lastIndex');
  verifyNotConfigurable(re, 'lastIndex');
  