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Kmake/deps/v8/test/mjsunit/turboshaft/maglev-frontend/construct-array-feedback.js
2026-05-26 23:36:42 -07:00

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JavaScript

// Copyright 2024 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 --turbolev --turbofan
function foo(t) {
return new t();
}
%PrepareFunctionForOptimization(foo);
a = foo(Array);
a[0] = 3.5;
a = foo(Array);
a[0] = 3.5;
b = foo(Array);
assertTrue(%HasDoubleElements(b));
%OptimizeFunctionOnNextCall(foo);
b = foo(Array);
assertTrue(%HasDoubleElements(b));
assertOptimized(foo);