v8/test/mjsunit/regress/regress-1071190.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
function test() {
const a = new DataView(new ArrayBuffer(32));
const b = new DataView(new ArrayBuffer(32));
a.setFloat64(0);
b.setFloat64(0, undefined);
for(let i = 0; i < 8; ++i) {
assertEquals(a.getUint8(i), b.getUint8(i));
}
}
%PrepareFunctionForOptimization(test);
test();
test();
%OptimizeFunctionOnNextCall(test);
test();