servo/tests/wpt/web-platform-tests/wasm/serialization/resources/create-empty-wasm-module.js

function createEmptyWasmModule() {
  return new WebAssembly.Module(
      new Uint8Array([0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00]));
}