// Copyright 2023 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. d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js'); const builder = new WasmModuleBuilder(); builder.startRecGroup(); builder.addStruct([]); builder.endRecGroup(); builder.startRecGroup(); builder.addArray(kWasmI32, true); builder.endRecGroup(); builder.startRecGroup(); builder.addType(makeSig([kWasmI32, kWasmI32, kWasmI32], [kWasmI32])); builder.endRecGroup(); builder.addType(makeSig([], [])); builder.addMemory(16, 32); builder.addTable(kWasmFuncRef, 1, 1, undefined) builder.addActiveElementSegment( 0, wasmI32Const(0), [[kExprRefFunc, 0, ]], kWasmFuncRef); builder.addTag(makeSig([], [])); // Generate function 1 (out of 1). builder.addFunction(undefined, 2 /* sig */) .addLocals(wasmRefType(kWasmAnyRef), 1) .addBodyWithEnd([ // signature: i_iii // body: kExprRefNull, 0x6e, // ref.null kGCPrefix, kExprExternConvertAny, // extern.convert_any kGCPrefix, kExprAnyConvertExtern, // any.convert_extern kExprRefAsNonNull, // ref.as_non_null kExprLocalSet, 0x03, // local.set kExprI32Const, 0x84, 0xe8, 0xf0, 0xff, 0x02, // i32.const kExprEnd, // end @19 ]); builder.addExport('main', 0); const instance = builder.instantiate(); assertTraps(kTrapNullDereference, () => instance.exports.main(1, 2, 3));