wasm-exception-rethrow.js

// Copyright 2019 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: --expose-wasm --experimental-wasm-eh

load('test/mjsunit/wasm/wasm-module-builder.js');

let builder = new WasmModuleBuilder();
let except = builder.addException(kSig_v_i);
builder.addFunction("rethrow0", kSig_v_v)
    .addBody([
      kExprTry, kWasmStmt,
        kExprI32Const, 23,
        kExprThrow, except,
      kExprCatch,
        kExprRethrow,
      kExprEnd,
]).exportFunc();
let instance = builder.instantiate();
instance.exports.rethrow0();