[clang] [clang-tools-extra] [clang-tidy][dataflow] Add `bugprone-null-check-after-dereference` check (PR #84166)

[via cfe-commits]

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@@ -103,6 +103,12 @@ New checks
   Finds lambda captures that capture the ``this`` pointer and store it as class
   members without handle the copy and move constructors and the assignments.
 
+- New :doc:`bugprone-null-check-after-dereference
+  <clang-tidy/checks/bugprone/null-check-after-dereference>` check.
+
+  Identifies redundant pointer null-checks, by finding cases where
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EugeneZelenko wrote:

Please use as much of characters as possible to follow 80 characters limit.

https://github.com/llvm/llvm-project/pull/84166