Upload Kmake

deps/v8/test/mjsunit/regress/wasm/regress-398439335.js

@@ -0,0 +1,25 @@
+// Copyright 2025 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.
+
+d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
+
+// Tests SIMD load with 64-bit memory.
+(function TestSimdLoadMem64() {
+  const builder = new WasmModuleBuilder();
+  builder.addMemory64(6);
+
+  const SRC_OFFSET_LEB = [0xE0, 0x02];
+  builder
+    .addFunction("main", makeSig([], []))
+    .addLocals(kWasmS128, 2)
+    .addBodyWithEnd([
+    ...wasmI64Const(0x100000000),
+      kSimdPrefix, kExprS128Load16x4U, 0, ...SRC_OFFSET_LEB,
+      kExprLocalSet, 0,
+      kExprEnd,
+    ]);
+  builder.addExport('main', 0);
+  const instance = builder.instantiate({});
+  assertTraps(kTrapMemOutOfBounds, () => instance.exports.main());
+})();