24 lines
617 B
JavaScript
24 lines
617 B
JavaScript
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// Copyright 2021 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 --concurrent-inlining
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(function() {
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var use_symbol = {
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[Symbol.hasInstance] : () => true
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};
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var use_symbol_double = {
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[Symbol.hasInstance] : 0.1
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};
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function bar(b) {
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if (b) return {} instanceof use_symbol_double;
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}
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%PrepareFunctionForOptimization(bar);
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function foo(b) { return bar(); }
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%PrepareFunctionForOptimization(foo);
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foo();
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%OptimizeFunctionOnNextCall(foo);
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foo();
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})();
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