9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
20 lines
790 B
JavaScript
20 lines
790 B
JavaScript
// Copyright 2024 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
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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let builder = new WasmModuleBuilder();
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let struct_type = builder.addStruct([makeField(kWasmI32, true)]);
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builder.addFunction('MakeStruct', makeSig([], [kWasmExternRef])).exportFunc().addBody([kExprI32Const, 42, kGCPrefix, kExprStructNew, struct_type, kGCPrefix, kExprExternConvertAny]);
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let instance = builder.instantiate();
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globalThis.struct = instance.exports.MakeStruct();
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function foo(arg) {
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arg.prototype = globalThis.struct;
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for (var i = 0; i < 5000; i++) {
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new arg() instanceof arg;
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}
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}
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foo(function () {});
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