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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>
16 lines
626 B
JavaScript
16 lines
626 B
JavaScript
// Copyright 2019 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 f() {
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// Loop with a body that's not wrapped in a block.
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for (i = 0; i < 2; i++)
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var x = i, // var x that's assigned on each iteration
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y = y||(()=>x), // single arrow function that returns x
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z0 = (%PrepareFunctionForOptimization(y)), // prepare function for optimization
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z = (%OptimizeFunctionOnNextCall(y), y()); // optimize y on first iteration
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return y()
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};
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assertEquals(1, f())
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