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// Copyright 2019 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 --opt
function foo() {
const a = [];
a[0] = 1;
return a[0];
};
function bar() {
const a = new Array(10);
a[0] = 1;
return a[0];
};
Object.setPrototypeOf(Array.prototype, new Int8Array());
%PrepareFunctionForOptimization(foo);
assertEquals(undefined, foo());
assertEquals(undefined, foo());
%OptimizeFunctionOnNextCall(foo);
assertEquals(undefined, foo());
assertOptimized(foo);
%PrepareFunctionForOptimization(bar);
assertEquals(undefined, bar());
assertEquals(undefined, bar());
%OptimizeFunctionOnNextCall(bar);
assertEquals(undefined, bar());
assertOptimized(bar);
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