mirror of https://github.com/tc39/test262.git
29 lines
583 B
JavaScript
29 lines
583 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() {}
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assertEquals(0, %GetDeoptCount(foo));
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foo();
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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assertOptimized(foo);
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assertEquals(0, %GetDeoptCount(foo));
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// Unlink the function.
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%DeoptimizeFunction(foo);
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assertUnoptimized(foo);
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assertEquals(1, %GetDeoptCount(foo));
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foo();
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assertUnoptimized(foo);
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assertEquals(1, %GetDeoptCount(foo));
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