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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>
44 lines
1.2 KiB
JavaScript
44 lines
1.2 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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class C {
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get prop() {
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return 42;
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}
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set prop(v) {
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if (!%IsDictPropertyConstTrackingEnabled()) {
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// TODO(v8:11457) If v8_dict_property_const_tracking is enabled, then
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// C.prototype is a dictionary mode object and we cannot inline the call
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// to this setter, yet.
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assertEquals(expect_interpreted, %IsBeingInterpreted());
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}
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%TurbofanStaticAssert(v === 43);
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}
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}
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const c = new C();
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function foo() {
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assertEquals(expect_interpreted, %IsBeingInterpreted());
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%TurbofanStaticAssert(c.prop === 42);
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c.prop = 43;
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}
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%PrepareFunctionForOptimization(
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Object.getOwnPropertyDescriptor(C.prototype, 'prop').get);
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%PrepareFunctionForOptimization(
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Object.getOwnPropertyDescriptor(C.prototype, 'prop').set);
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%PrepareFunctionForOptimization(foo);
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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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