[clang-tools-extra] [clang-tidy] Added Conflicting Global Accesses checker (PR #130421)

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+.. title:: clang-tidy - bugprone-conflicting-global-accesses
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+bugprone-conflicting-global-accesses
+====================================
+
+Finds conflicting accesses on global variables.
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EugeneZelenko wrote:

Please synchronize first statement with Release Notes.

https://github.com/llvm/llvm-project/pull/130421