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Kmake/deps/v8/test/mjsunit/regress/wasm/regress-399402814.js
2026-05-26 23:36:42 -07:00

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JavaScript

// Copyright 2025 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax
let empty_module = new Uint8Array([0, 97, 115, 109, 1, 0, 0, 0]);
let module = new WebAssembly.Module(empty_module);
let instance = new WebAssembly.Instance(module, {});
// We don't care what this returns as long as it doesn't crash.
%BuildRefTypeBitfield(123, instance);
// Issue 399769594 pointed out that we need even more robustness:
%BuildRefTypeBitfield(-1, instance);