d0c9775f73
This is a reland of commit 49b1e977ac
Change compared to original: Fix failing test.
Original change's description:
> [wasm-gc][test] Support recursive groups in wasm-module-builder.js
>
> Bug: v8:7748
> Change-Id: Iff6668891ce785ad2f45ff898d92c6ea9b5f4e7d
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4061691
> Commit-Queue: Matthias Liedtke <mliedtke@chromium.org>
> Auto-Submit: Manos Koukoutos <manoskouk@chromium.org>
> Reviewed-by: Matthias Liedtke <mliedtke@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#84534}
Bug: v8:7748
Change-Id: I43b9e480aabe4daaa556d04d4e5d548d2144f93e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4063694
Commit-Queue: Manos Koukoutos <manoskouk@chromium.org>
Auto-Submit: Manos Koukoutos <manoskouk@chromium.org>
Commit-Queue: Matthias Liedtke <mliedtke@chromium.org>
Reviewed-by: Matthias Liedtke <mliedtke@chromium.org>
Cr-Commit-Position: refs/heads/main@{#84551}
37 lines
1.4 KiB
JavaScript
37 lines
1.4 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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// Flags: --experimental-wasm-gc --allow-natives-syntax
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import {struct, array} from 'gc-js-interop-export.mjs';
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// Read struct and array with new wasm module.
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let builder = new WasmModuleBuilder();
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let struct_type = builder.addStruct([makeField(kWasmI32, true)]);
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let array_type = builder.addArray(kWasmI32, true);
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builder.addFunction('readStruct', makeSig([kWasmExternRef], [kWasmI32]))
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.exportFunc()
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.addBody([
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kExprLocalGet, 0, // --
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kGCPrefix, kExprExternInternalize, // --
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kGCPrefix, kExprRefAsStruct, // --
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kGCPrefix, kExprRefCast, struct_type, // --
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kGCPrefix, kExprStructGet, struct_type, 0, // --
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]);
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builder.addFunction('readArrayLength', makeSig([kWasmExternRef], [kWasmI32]))
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.exportFunc()
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.addBody([
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kExprLocalGet, 0, // --
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kGCPrefix, kExprExternInternalize, // --
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kGCPrefix, kExprRefAsArray, // --
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kGCPrefix, kExprArrayLen,
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]);
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let instance = builder.instantiate();
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let wasm = instance.exports;
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assertEquals(42, wasm.readStruct(struct));
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assertEquals(2, wasm.readArrayLength(array));
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assertTraps(kTrapIllegalCast, () => wasm.readStruct(array));
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assertTraps(kTrapIllegalCast, () => wasm.readArrayLength(struct));
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