[clang-tools-extra] [clang-tidy] New bugprone-method-hiding check (PR #154746)

[Aaron Ballman via cfe-commits]

================
@@ -4,6 +4,9 @@
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
+// SPDX-FileCopyrightText: Portions Copyright 2025 Siemens and/or its affiliates
+// May 2025 modified by Siemens and/or its affiliates by Tom James
----------------
AaronBallman wrote:

> Is it acceptable to keep the copyright notices for files that are entirely new in this PR?

Yes and no. They should get a copyright notice like this:
```
//===--- foo.cpp - does the foo stuff you'd expect ------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
```
but nothing more.

https://github.com/llvm/llvm-project/pull/154746