[clang-tools-extra] Add bugprone-loop-variable-copied-then-modified clang-tidy check. (PR #157213)

[Piotr Zegar via cfe-commits]

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@@ -0,0 +1,54 @@
+// RUN: %check_clang_tidy %s bugprone-loop-variable-copied-then-modified %t --fix-notes \
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PiotrZSL wrote:

missing tests with "auto&&" and "const auto"

https://github.com/llvm/llvm-project/pull/157213