1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/maglev/typedarray-out-of-bounds.js b/deps/v8/test/mjsunit/maglev/typedarray-out-of-bounds.js
new file mode 100644
index 0000000000..28c8e1c5df
--- /dev/null
+++ b/deps/v8/test/mjsunit/maglev/typedarray-out-of-bounds.js
@@ -0,0 +1,23 @@
+// Copyright 2023 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 --maglev
+
+function foo(index) {
+  const array = new Uint8Array(8);
+  array[index] = 42;
+  return array;
+}
+
+%PrepareFunctionForOptimization(foo);
+
+foo(0);
+foo(0);
+
+%OptimizeMaglevOnNextCall(foo);
+
+foo(0);
+
+// This call is one element past the end and should deoptimize.
+foo(8);