2dcc3665ab
PR-URL: https://github.com/nodejs/node/pull/28016 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
36 lines
708 B
JavaScript
36 lines
708 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
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function g(y) { assertEquals(y, 12); }
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var X = 0;
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function foo () {
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var cnt = 0;
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var l = -1;
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var x = 0;
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while (1) switch (l) {
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case -1:
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var y = x + 12;
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l = 0;
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break;
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case 0:
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if (cnt++ == 5) {
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%OptimizeOsr();
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l = 1;
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}
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break;
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case 1:
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// This case will contain deoptimization
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// because it has no type feedback.
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g(y);
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return;
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};
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}
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%PrepareFunctionForOptimization(foo);
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foo();
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