[clang-tools-extra] [clang-tidy] fix false negative in cppcoreguidelines-missing-std-forward (PR #83987)

[Qizhi Hu via cfe-commits]

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@@ -156,7 +156,8 @@ Changes in existing checks
 
 - Improved :doc:`cppcoreguidelines-missing-std-forward
   <clang-tidy/checks/cppcoreguidelines/missing-std-forward>` check by no longer
-  giving false positives for deleted functions.
+  giving false positives for deleted functions and fix false negative when one
+  parameter is forwarded, but some other parameter isn't.
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jcsxky wrote:

Thanks for review to make the description more clear!
I think you can check https://github.com/llvm/llvm-project/blob/2a1b09fee4b4b22f4f7189695ce3e858b91a8d69/clang-tools-extra/test/clang-tidy/checkers/cppcoreguidelines/missing-std-forward.cpp#L171-L173
this testcase may helpful for solving confusions.

https://github.com/llvm/llvm-project/pull/83987