v8/test/mjsunit/compiler/regress-1104514.js

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// Copyright 2020 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
Array(32760); // > JSArray::kInitialMaxFastElementArray
function main() {
const a = [1, 2];
a.x = 666;
a.toString();
const aa = Array.prototype.map.call(a, v => v);
if (aa[0] != 1 || aa[1] != 2) { %SystemBreak(); }
a.z = 667;
}
for (var i = 0; i < 20000; ++i) {
main();
}