9380e55ec4
The function index encoded into the serialized module is already offset by num_imported_functions. For lazy compilation, however, we added the number of imported functions another time, which was incorrect. R=clemensb@chromium.org Change-Id: I56380e21e74b4d1935ebdbab6ef8cc388de49f2c Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3172761 Commit-Queue: Andreas Haas <ahaas@chromium.org> Reviewed-by: Clemens Backes <clemensb@chromium.org> Cr-Commit-Position: refs/heads/main@{#76965}
45 lines
1.2 KiB
JavaScript
45 lines
1.2 KiB
JavaScript
// Copyright 2021 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: --allow-natives-syntax --wasm-lazy-compilation --expose-gc
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const num_functions = 2;
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function create_builder() {
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const builder = new WasmModuleBuilder();
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builder.addImport("foo", "bar", kSig_i_v);
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for (let i = 0; i < num_functions; ++i) {
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builder.addFunction('f' + i, kSig_i_v)
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.addBody(wasmI32Const(i))
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.exportFunc();
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}
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return builder;
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}
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const wire_bytes = create_builder().toBuffer();
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function serializeModule() {
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const module = new WebAssembly.Module(wire_bytes);
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const buff = %SerializeWasmModule(module);
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return buff;
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};
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const serialized_module = serializeModule();
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// Do some GCs to make sure the first module got collected and removed from the
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// module cache.
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gc();
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gc();
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gc();
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(function testSerializedModule() {
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print(arguments.callee.name);
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const module = %DeserializeWasmModule(serialized_module, wire_bytes);
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const instance = new WebAssembly.Instance(module, {foo: {bar: () => 1}});
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assertEquals(0, instance.exports.f0());
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assertEquals(1, instance.exports.f1());
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})();
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