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17a74ddd3d
PR-URL: https://github.com/nodejs/node/pull/49639 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
28 lines
928 B
JavaScript
28 lines
928 B
JavaScript
// Copyright 2020 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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//
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// Flags: --allow-natives-syntax --turbofan --turboshaft-enable-debug-features
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function make_closure() { return () => { return 42; } }
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%PrepareFunctionForOptimization(make_closure);
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%PrepareFunctionForOptimization(make_closure());
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function inline_polymorphic(f) {
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let answer = f();
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%TurbofanStaticAssert(answer == 42);
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}
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%PrepareFunctionForOptimization(inline_polymorphic);
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inline_polymorphic(make_closure());
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inline_polymorphic(make_closure());
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// Compile using top tier since we need value numbering phase for the
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// TurbofanStaticAssert to deduce answer is 42 at compile time. In Turboprop
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// this phase is disabled.
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%OptimizeFunctionOnNextCall(inline_polymorphic);
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inline_polymorphic(make_closure());
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try {
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inline_polymorphic(3);
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} catch(e) {}
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