Upload Kmake

deps/v8/test/mjsunit/shared-memory/shared-struct-workers-optimized-code.js

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+// Copyright 2022 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: --shared-string-table --harmony-struct --allow-natives-syntax
+// Flags: --verify-heap
+
+"use strict";
+
+if (this.Worker) {
+
+(function TestSharedStructOptimizedCode() {
+  let workerScript =
+      `onmessage = function({data:struct}) {
+         %PrepareFunctionForOptimization(writePayload);
+         for (let i = 0; i < 5; i++) writePayload(struct);
+         %OptimizeFunctionOnNextCall(writePayload);
+         writePayload(struct);
+         postMessage("done");
+       };
+       function writePayload(struct) {
+         for (let i = 0; i < 100; i++) {
+           struct.payload = struct.payload + 1;
+         }
+       }
+       postMessage("started");`;
+
+  let worker = new Worker(workerScript, { type: 'string' });
+  assertEquals("started", worker.getMessage());
+
+  let MyStruct = new SharedStructType(['payload']);
+  let struct = new MyStruct();
+  struct.payload = 0;
+  worker.postMessage(struct);
+  assertEquals("done", worker.getMessage());
+
+  worker.terminate();
+})();
+
+}