[clang] [WebKit Checkers] Allow a guardian CheckedPtr/CheckedRef (PR #110222)

[Rashmi Mudduluru via cfe-commits]

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@@ -56,7 +60,8 @@ bool tryToFindPtrOrigin(
       if (StopAtFirstRefCountedObj) {
         if (auto *ConversionFunc =
                 dyn_cast_or_null<FunctionDecl>(cast->getConversionFunction())) {
-          if (isCtorOfRefCounted(ConversionFunc))
+          if (isCtorOfRefCounted(ConversionFunc) ||
+              isCtorOfCheckedPtr(ConversionFunc))
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t-rasmud wrote:

Could this also be refactored into a function (say `isSafeCtor`) like `isSafePtr`?

https://github.com/llvm/llvm-project/pull/110222