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3d1b3df948
PR-URL: https://github.com/nodejs/node/pull/15362 Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
32 lines
662 B
JavaScript
32 lines
662 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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assertEquals(0, %GetDeoptCount(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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assertEquals(0, %GetDeoptCount(foo));
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foo(10, true);
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assertUnoptimized(foo);
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assertEquals(1, %GetDeoptCount(foo));
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