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e31f0a7d25
PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
38 lines
752 B
JavaScript
38 lines
752 B
JavaScript
// Copyright 2014 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
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function t1() {
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return this instanceof t1;
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}
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function t2() {
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return this instanceof t2;
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}
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var o1 = new function() {}();
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Object.defineProperty(o1, 't', {
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get: function() {
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return this instanceof o1.constructor;
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}
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});
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var o2 = new function() {}();
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Object.defineProperty(o2, 't', {
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get: function() {
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return this instanceof o1.constructor;
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}
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});
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var o3 = new function() {}();
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o3.t = true;
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function f(o) {
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return 1 + (o.t ? 1 : 2);
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};
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%PrepareFunctionForOptimization(f);
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f(o1);
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f(o1);
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f(o2);
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%OptimizeFunctionOnNextCall(f);
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f(o3);
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