mirror of
https://github.com/tc39/test262.git
synced 2025-05-04 23:10:27 +02:00
sourceRevisionAtLastExport: 33f2fb0e53d135f0ee17cfccd9d993eb2a6f47de targetRevisionAtLastExport: 31340cbd9add103f586d501b0c3354b7b182abc0
31 lines
740 B
JavaScript
31 lines
740 B
JavaScript
// Copyright 2017 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 --turbo-escape
|
|
|
|
var mp = Object.getPrototypeOf(0);
|
|
|
|
function getRandomProperty(v) {
|
|
var properties;
|
|
if (mp) { properties = Object.getOwnPropertyNames(mp); }
|
|
if (properties.includes("constructor") && v.constructor.hasOwnProperty()) {; }
|
|
if (properties.length == 0) { return "0"; }
|
|
return properties[NaN];
|
|
}
|
|
|
|
var c = 0;
|
|
|
|
function f() {
|
|
c++;
|
|
if (c === 3) %OptimizeFunctionOnNextCall(f);
|
|
if (c > 4) throw 42;
|
|
for (var x of ["x"]) {
|
|
getRandomProperty(0) ;
|
|
f();
|
|
%_DeoptimizeNow();
|
|
}
|
|
}
|
|
|
|
assertThrowsEquals(f, 42);
|