e31f0a7d25
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>
32 lines
886 B
JavaScript
32 lines
886 B
JavaScript
// Copyright 2013 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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function Cb(a, trigger) {
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var f, g;
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for(f = a.length; f--;) {
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g = a.charCodeAt(f);
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// This will fail after OSR if Runtime_StringCharCodeAt is modified
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// to iterates optimized frames and visit safepoint pointers.
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if (g == "C".charCodeAt(0)) {
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%OptimizeOsr();
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%PrepareFunctionForOptimization(Cb);
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}
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}
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return g;
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}
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var s1 = "long string to make cons string 1";
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var s2 = "long string to make cons string 2";
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%PrepareFunctionForOptimization(Cb);
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Cb(s1 + s2);
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%PrepareFunctionForOptimization(Cb);
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Cb(s1);
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var s3 = "string for triggering osr in Cb";
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%PrepareFunctionForOptimization(Cb);
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Cb(s3 + s3);
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%PrepareFunctionForOptimization(Cb);
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Cb(s1 + s2);
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