[test] Add regression test

Bug: chromium:1459681
Change-Id: Ic46e3c51d36e6f33cff346ffe7c84c89f6814497
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4661334
Auto-Submit: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#88643}

test/mjsunit/maglev/regress-1459681.js

@@ -0,0 +1,13 @@
+// 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(x) {
+  return x >> 32; // We should not shift anything here!
+}
+%PrepareFunctionForOptimization(foo);
+assertEquals(42, foo(42));
+%OptimizeMaglevOnNextCall(foo);
+assertEquals(42, foo(42));