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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>
28 lines
561 B
JavaScript
28 lines
561 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 opt(b) {
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let iterator = new Set().values();
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iterator.x = 0;
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let arr = [iterator, iterator];
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if (b)
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return arr.slice();
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}
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%PrepareFunctionForOptimization(opt);
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opt(false);
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opt(false);
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%OptimizeFunctionOnNextCall(opt);
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let res = opt(true);
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let a = res[0];
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let b = res[1];
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assertTrue(a === b);
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a.x = 7;
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assertEquals(7, b.x);
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