28 lines
625 B
JavaScript
28 lines
625 B
JavaScript
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// Copyright 2019 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 call(cb) {
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return cb.call(this, 42);
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}
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function bar() {
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function foo(arg) {
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%TurbofanStaticAssert(arg === 42);
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return %IsBeingInterpreted();
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}
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%PrepareFunctionForOptimization(foo);
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return call(foo);
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}
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%PrepareFunctionForOptimization(bar);
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%PrepareFunctionForOptimization(call);
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assertTrue(bar());
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assertTrue(bar());
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%OptimizeFunctionOnNextCall(bar);
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assertFalse(bar());
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