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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>
61 lines
1.3 KiB
JavaScript
61 lines
1.3 KiB
JavaScript
// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --allow-natives-syntax --turbofan --no-always-turbofan
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// Flags: --turboshaft-enable-debug-features
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var expect_interpreted = true;
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function C() {
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this.a = 1;
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assertEquals(expect_interpreted, %IsBeingInterpreted());
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if (!%IsDictPropertyConstTrackingEnabled()) {
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// TODO(v8:11457) If v8_dict_property_const_tracking is enabled, then the
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// prototype of |this| in D() is a dictionary mode object, and we cannot
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// inline the storing of this.x, yet.
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%TurbofanStaticAssert(this.x == 42);
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}
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};
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function D() {
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this.x = 42;
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C.call(this);
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};
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function E() {
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D.call(this);
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}
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function F() {
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E.call(this);
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};
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function G() {
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F.call(this);
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};
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function foo() {
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new D;
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}
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%PrepareFunctionForOptimization(C);
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%PrepareFunctionForOptimization(D);
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%PrepareFunctionForOptimization(E);
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%PrepareFunctionForOptimization(F);
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%PrepareFunctionForOptimization(G);
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%PrepareFunctionForOptimization(foo);
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// Make 'this.x' access in C megamorhpic.
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var c = new C;
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var d = new D;
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var e = new E;
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var f = new F;
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var g = new G;
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foo();
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foo();
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expect_interpreted = false;
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%OptimizeFunctionOnNextCall(foo);
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foo();
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