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2dcc3665ab
PR-URL: https://github.com/nodejs/node/pull/28016 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
30 lines
623 B
JavaScript
30 lines
623 B
JavaScript
// Copyright 2017 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 --opt --no-always-opt
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function foo(i, deopt = false) {
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if (i == 0) {
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if (deopt) {
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// Trigger a lazy deopt.
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%DeoptimizeNow();
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}
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} else {
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foo(i - 1, deopt);
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}
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}
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%PrepareFunctionForOptimization(foo);
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%PrepareFunctionForOptimization(foo);
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foo(10);
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foo(10);
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%OptimizeFunctionOnNextCall(foo);
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foo(10);
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assertOptimized(foo);
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foo(10, true);
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assertUnoptimized(foo);
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