21 lines
449 B
JavaScript
21 lines
449 B
JavaScript
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// 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
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function foo(x) {
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return Symbol.iterator == x;
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}
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function main() {
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foo(Symbol());
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foo({valueOf() { return Symbol.toPrimitive}});
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}
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%NeverOptimizeFunction(main);
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main();
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%OptimizeFunctionOnNextCall(foo);
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main();
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assertOptimized(foo);
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