PR-URL: https://github.com/nodejs/node/pull/42657 Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
28 lines
583 B
JavaScript
28 lines
583 B
JavaScript
// Copyright 2022 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
|
|
|
|
function g() {
|
|
%CollectGarbage(42);
|
|
return 43;
|
|
}
|
|
%NeverOptimizeFunction(g);
|
|
|
|
const o = { g: g };
|
|
|
|
function f(o, x) {
|
|
var y = 42;
|
|
if (x) y = 43;
|
|
// Using CallProperty since plain calls are still unimplemented.
|
|
o.g();
|
|
return y;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(f);
|
|
assertEquals(43, f(o, true));
|
|
|
|
%OptimizeMaglevOnNextCall(f);
|
|
assertEquals(43, f(o, true));
|