Upload Kmake

deps/v8/test/mjsunit/regress/regress-368076858.js

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+// Copyright 2024 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: --allow-natives-syntax
+
+function getByteOffset(arr) {
+  return arr.byteOffset;
+}
+
+%PrepareFunctionForOptimization(getByteOffset);
+
+{
+  let buffer = new ArrayBuffer(128, {maxByteLength: 1024});
+  let arr = new Uint8Array(buffer, 64, 4);
+
+  assertEquals(64, getByteOffset(arr));
+  buffer.resize(0);
+  assertEquals(0, getByteOffset(arr));
+}
+
+%OptimizeFunctionOnNextCall(getByteOffset);
+
+{
+  let buffer = new ArrayBuffer(128, {maxByteLength: 1024});
+  let arr = new Uint8Array(buffer, 64, 4);
+
+  assertEquals(64, getByteOffset(arr));
+  buffer.resize(0);
+  assertEquals(0, getByteOffset(arr));
+}