[clang] [llvm] [alpha.webkit.UnretainedLambdaCapturesChecker] Add a WebKit checker for lambda capturing NS or CF types. (PR #128651)

[Rashmi Mudduluru via cfe-commits]

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@@ -3487,6 +3487,18 @@ Raw pointers and references to an object which supports CheckedPtr or CheckedRef
 
 See `WebKit Guidelines for Safer C++ Programming <https://github.com/WebKit/WebKit/wiki/Safer-CPP-Guidelines>`_ for details.
 
+alpha.webkit.UnretainedLambdaCapturesChecker
+""""""""""""""""""""""""""""""""""""""""""""
+Raw pointers and references to unretained types can't be captured in lambdas. Only RetainPtr is allowed.
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t-rasmud wrote:

Add a note about what happens when ARC is enabled.

https://github.com/llvm/llvm-project/pull/128651