[clang-tools-extra] [clang-tidy] Add portability-avoid-platform-specific-fundamental-types (PR #146970)

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@@ -0,0 +1,54 @@
+// clang-format off
+//===--- AvoidPlatformSpecificFundamentalTypesCheck.h - clang-tidy -*- C++ -*-===//
+//
+// 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
+//
+//===-------------------------------------------------------------------------===//
+// clang-format on
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EugeneZelenko wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/146970