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// 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();
};
%PrepareFunctionForOptimization(foo);
assertThrows(foo, TypeError);
assertThrows(foo, TypeError);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo, TypeError);
})();
(function() {
function foo() {
return p.finally().finally();
};
%PrepareFunctionForOptimization(foo);
assertThrows(foo, TypeError);
assertThrows(foo, TypeError);
%OptimizeFunctionOnNextCall(foo);
assertThrows(foo, TypeError);
})();
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