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-additional-properties-of-the-object.prototype-object
  description: >
      Behavior when "this" value defines a like-named accessor property without a
      `set` method
  info: |
      [...]
      4. Repeat
         a. Let desc be ? O.[[GetOwnProperty]](key).
         b. If desc is not undefined, then
            i. If IsAccessorDescriptor(desc) is true, return desc.[[Set]].
            ii. Return undefined.
         c. Let O be ? O.[[GetPrototypeOf]]().
         d. If O is null, return undefined.
  features: [__setter__]
  ---*/
  
  var root = Object.defineProperty({}, 'target', { set: function() {} });
  var desc = { get: function() {} };
  var subject = Object.create(root, { target: desc });
  
  assert.sameValue(subject.__lookupSetter__('target'), undefined);
  