node/deps/v8/test/mjsunit/deopt-unlinked.js
Michaël Zasso 4f72291521
deps: update V8 to 9.4.146.18
PR-URL: https://github.com/nodejs/node/pull/39945
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
2021-10-02 08:40:27 +02:00

27 lines
668 B
JavaScript

// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --opt --no-always-opt
// The deopt count is stored in the feedback vector which gets cleared when
// bytecode is flushed, which --gc-interval can cause in stress modes.
// Flags: --no-flush-bytecode --no-stress-flush-code
function foo() {};
%PrepareFunctionForOptimization(foo);
foo();
foo();
%OptimizeFunctionOnNextCall(foo);
foo();
assertOptimized(foo);
// Unlink the function.
%DeoptimizeFunction(foo);
assertUnoptimized(foo);
foo();
assertUnoptimized(foo);