[clang] [WebKit checkers] Add an annotation for pointer conversion. (PR #141277)

[Ziqing Luo via cfe-commits]

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@@ -44,6 +43,12 @@ inline Target* uncheckedDowncast(Source* source)
     return static_cast<Target*>(source);
 }
 
+template<typename Target, typename Source>
+Target* [[clang::annotate_type("webkit.pointerconversion")]] newCastFunction(Source*);
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ziqingluo-90 wrote:

If this function is a member function, will you accidentally take the implicit `this` object as the original argument?

https://github.com/llvm/llvm-project/pull/141277