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PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
38 lines
715 B
JavaScript
38 lines
715 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 --expose-gc --turbo-inline-array-builtins
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(function() {
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var result = 0;
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var proto_set_func = function(p, s) {
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%NeverOptimizeFunction(proto_set_func);
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if (s) {
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p[0] = 1;
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}
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};
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var f = function(s) {
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var b = [
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,
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,
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];
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b[1] = 0;
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b[2] = 2;
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var sum = function(v, i, o) {
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if (i == 1) proto_set_func(b.__proto__, s);
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result += v;
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};
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b.forEach(sum);
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};
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;
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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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f();
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f(true);
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f();
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assertEquals(11, result);
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})();
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