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>
16 lines
499 B
JavaScript
16 lines
499 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: --allow-natives-syntax --turbofan
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// The Crankshaft fast case for String.fromCharCode used to unconditionally
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// deoptimize on non int32 indices.
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function foo(i) { return String.fromCharCode(i); }
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%PrepareFunctionForOptimization(foo);
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foo(33);
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foo(33);
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%OptimizeFunctionOnNextCall(foo);
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foo(33.3);
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assertOptimized(foo);
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