blob: b4a61499d33af387a34a3d342f919e68d4038040 [file] [log] [blame]
// 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();
}
}
%PrepareFunctionForOptimization(f);
assertThrowsEquals(f, 42);