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PR-URL: https://github.com/nodejs/node/pull/26685 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com>
29 lines
537 B
JavaScript
29 lines
537 B
JavaScript
// Copyright 2016 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
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var dothrow = false;
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function g() {
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if (dothrow) throw 1;
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}
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function f(a) {
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try {
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g();
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} catch(e) {
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if (typeof e !== 'number' && e !== 1) throw e;
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return a[0];
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}
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}
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%NeverOptimizeFunction(g);
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%PrepareFunctionForOptimization(f);
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f();
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f();
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%OptimizeFunctionOnNextCall(f);
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dothrow = true;
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assertEquals(42, f([42]));
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