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// 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 --turbofan --no-always-turbofan
// 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);
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