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>
28 lines
839 B
JavaScript
28 lines
839 B
JavaScript
// Copyright 2016 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: --ignition-osr --allow-natives-syntax
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function g() { return 23 }
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function h() { return 42 }
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function boom(o) { o.g = h }
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function f(osr_and_recurse) {
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if (osr_and_recurse) {
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for (var i = 0; i < 3; ++i) {
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if (i == 1) %OptimizeOsr();
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}
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%PrepareFunctionForOptimization(f);
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%OptimizeFunctionOnNextCall(f);
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f(false); // Trigger tier-up due to recursive call.
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boom(this); // Causes a deopt due to below dependency.
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var x = g(); // Install dependency on the {g} function.
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return x;
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}
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return 65;
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}
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%PrepareFunctionForOptimization(f);
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assertEquals(65, f(false));
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assertEquals(65, f(false));
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assertEquals(42, f(true));
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