v8/test/mjsunit/regress/wasm/regression-757217.js

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// Copyright 2017 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.
load('test/mjsunit/wasm/wasm-constants.js');
load('test/mjsunit/wasm/wasm-module-builder.js');
let builder = new WasmModuleBuilder();
builder.addImport('','f', kSig_v_v);
builder.addExport('a', 0);
builder.addExport('b', 0);
var bytes = builder.toBuffer();
var m = new WebAssembly.Module(bytes);
assertTrue(m instanceof WebAssembly.Module);
assertPromiseResult(
WebAssembly.compile(bytes)
.then(async_result => assertTrue(async_result instanceof WebAssembly.Module),
assertUnreachable));