27 lines
569 B
JavaScript
27 lines
569 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 --no-lazy-feedback-allocation
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function* g(h) {
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return yield* h;
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}
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var f = Object.getPrototypeOf(function*(){}).prototype;
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var t = f.throw;
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const h = (function*(){})();
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h.next = function () { return { }; };
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const x = g(h);
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x.next();
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delete f.throw;
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try {
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t.bind(x)();
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} catch (e) {}
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%PrepareFunctionForOptimization(g);
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g();
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%OptimizeFunctionOnNextCall(g);
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g();
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