cfbf9e0d14
PR-URL: https://github.com/nodejs/node/pull/52465 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
// Copyright 2022 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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let builder = new WasmModuleBuilder();
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builder.addFunction("leak", kSig_l_v)
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.exportFunc()
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.addLocals(kWasmI64, 10)
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.addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprBlock, kWasmVoid,
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kExprLoop, kWasmVoid,
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kExprRefNull, kAnyRefCode,
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kExprBrOnNonNull, 0,
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kExprBr, 1,
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kExprEnd, // loop
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kExprEnd, // block
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kExprDrop,
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kExprDrop,
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kExprDrop,
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kExprDrop,
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]);
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let loop_type = builder.addType(makeSig([kWasmAnyRef], []));
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builder.addFunction("crash", kSig_v_v).exportFunc().addBody([
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kExprRefNull, kAnyRefCode,
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kExprLoop, loop_type,
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kExprRefNull, kAnyRefCode,
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kGCPrefix, kExprBrOnCast, 0b01, 0, kAnyRefCode, kI31RefCode,
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kExprDrop,
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kExprDrop,
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kExprEnd, // loop
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]);
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let array_type = builder.addArray(wasmRefNullType(kSig_i_i), true);
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builder.addFunction("array", kSig_l_v).exportFunc()
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.addLocals(kWasmI64, 10)
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.addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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kExprI32Const, 0,
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kGCPrefix, kExprArrayNewDefault, array_type,
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kExprDrop,
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kExprDrop,
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kExprDrop,
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kExprDrop,
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kExprDrop,
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])
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let instance = builder.instantiate();
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let result = instance.exports.leak();
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assertEquals(0n, result);
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result = instance.exports.array();
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assertEquals(0n, result);
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instance.exports.crash();
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