17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
29 lines
523 B
JavaScript
29 lines
523 B
JavaScript
// Copyright 2023 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 --maglev
|
|
|
|
const floats = new Float64Array(10);
|
|
function f(proto) {
|
|
const o = {
|
|
__proto__: proto,
|
|
};
|
|
o.h = 1601;
|
|
o.name;
|
|
[v0, ...rest] = floats;
|
|
return o;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(f);
|
|
|
|
for (let i = 0; i < 20; ++i) {
|
|
f();
|
|
const o = f({});
|
|
o.h = v0;
|
|
}
|
|
|
|
%OptimizeMaglevOnNextCall(f);
|
|
|
|
f();
|