fd4f80ce54
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>
31 lines
533 B
JavaScript
31 lines
533 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 f(x) {
|
|
return x.a;
|
|
}
|
|
|
|
function Foo(a) {
|
|
this.a = a;
|
|
}
|
|
|
|
function Goo(a) {
|
|
this.a = a;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(f);
|
|
|
|
var o1 = new Foo(42);
|
|
var o2 = new Goo(4.2);
|
|
|
|
assertEquals(f(o1), 42);
|
|
assertEquals(f(o2), 4.2);
|
|
|
|
%OptimizeMaglevOnNextCall(f);
|
|
|
|
assertEquals(f(o1), 42);
|
|
assertEquals(f(o2), 4.2);
|