[libcxx-commits] [libcxx] [libc++][hardening] Add a bounds check for `valarray` and `bitset`. (PR #120685)

[Konstantin Varlamov via libcxx-commits]

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@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <bitset>
+
+// Test hardening assertions for std::bitset using ABI v1 (where the const overload of `operator[]` returns
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var-const wrote:

Please let me know if you have any thoughts on how to handle this difference better.

https://github.com/llvm/llvm-project/pull/120685