21 lines
530 B
JavaScript
21 lines
530 B
JavaScript
|
// Copyright 2021 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 --sparkplug
|
||
|
|
|
||
|
|
function foo(){
|
||
|
|
// __proto__ is a setter that is defined to return undefined.
|
||
|
|
return __proto__ = 5;
|
||
|
|
}
|
||
|
|
assertEquals(foo(), 5);
|
||
|
|
assertEquals(foo(), 5);
|
||
|
|
|
||
|
|
%EnsureFeedbackVectorForFunction(foo);
|
||
|
|
assertEquals(foo(), 5);
|
||
|
|
assertEquals(foo(), 5);
|
||
|
|
|
||
|
|
%CompileBaseline(foo);
|
||
|
|
assertEquals(foo(), 5);
|
||
|
|
assertEquals(foo(), 5);
|