34 lines
917 B
JavaScript
34 lines
917 B
JavaScript
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// Copyright 2025 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: --wasm-staging
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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 js_import_index = builder.addImport('m', 'f', kSig_v_v);
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builder.addFunction('main', kSig_v_v).addBody([
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kExprCallFunction, js_import_index
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]).exportFunc();
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let callback = () => {};
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let wasm_inst = builder.instantiate({m: {f: () => callback()}});
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const array = [12.34, 56.78];
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array.fork_map = 1337;
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function deopt_target() {
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WebAssembly.promising(wasm_inst.exports.main)();
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array[0] = 13.37;
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}
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(function() {
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function disable_opts() {}
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disable_opts(...Array(100).fill(0));
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for(let i = 0; i < 10000; i++) deopt_target();
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})();
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callback = () => array[0] = "foo";
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deopt_target();
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console.log(array[0]);
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