// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Flags: --allow-natives-syntax

const p = Object.defineProperty(Promise.resolve(), 'then', {
  value() { return 0; }
});

(function() {
  function foo() { return p.catch().catch(); }

  assertThrows(foo, TypeError);
  assertThrows(foo, TypeError);
  %OptimizeFunctionOnNextCall(foo);
  assertThrows(foo, TypeError);
})();

(function() {
  function foo() { return p.finally().finally(); }

  assertThrows(foo, TypeError);
  assertThrows(foo, TypeError);
  %OptimizeFunctionOnNextCall(foo);
  assertThrows(foo, TypeError);
})();