[clang-tools-extra] [llvm] [clang-tidy] New check `misc-header-guard` (PR #177315)

[via cfe-commits]

================
@@ -134,6 +134,11 @@ New checks
   Checks for presence or absence of trailing commas in enum definitions and
   initializer lists.
 
+- New :doc:`misc-header-guard <clang-tidy/checks/misc/header-guard>` check.
+
+  Finds and fixes header guards.
+
+
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EugeneZelenko wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/177315