v8/test/mjsunit/regress/wasm/regress-708714.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");
var builder = new WasmModuleBuilder();
builder.addExplicitSection([kFunctionSectionCode,
// length
7,
// functions count
1,
// signature index (invalid LEB)
0xff, 0xff, 0xff, 0xff, 0xff]);
builder.addExplicitSection([kStartSectionCode,
// length
1,
// index
0]);
assertThrows(() => builder.instantiate(), WebAssembly.CompileError);