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 property key cannot be derived
  info: |
      [...]
      2. Let key be ? ToPropertyKey(P).
  features: [__getter__]
  ---*/
  
  var subject = {};
  var key = {
    toString: function() {
      throw new Test262Error();
    }
  };
  
  assert.throws(Test262Error, function() {
    subject.__lookupGetter__(key);
  });
  