6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
25 lines
578 B
JavaScript
25 lines
578 B
JavaScript
// Copyright 2016 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: --turbofan --allow-natives-syntax --no-always-turbofan
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function f(b) {
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if (b == 1) {
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let a = a = 20;
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}
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}
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f(0);
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assertThrows(() => {f(1)}, ReferenceError);
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%PrepareFunctionForOptimization(f);
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f(0);
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f(0);
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%OptimizeFunctionOnNextCall(f);
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f(0);
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assertOptimized(f);
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// Check that hole checks are handled correctly in optimized code.
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assertThrows(() => {f(1)}, ReferenceError);
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assertOptimized(f);
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