[clang] [Sema] Handle AttributedType in template deduction with derived-to-base conversions (PR #134361)

[Matheus Izvekov via cfe-commits]

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@@ -4446,7 +4446,7 @@ static bool AdjustFunctionParmAndArgTypesForDeduction(
   //       transformed A can be a pointer to a derived class pointed to by
   //       the deduced A.
   if (isSimpleTemplateIdType(ParamType) ||
-      (isa<PointerType>(ParamType) &&
+      (ParamType->getAs<PointerType>() &&
        isSimpleTemplateIdType(
            ParamType->castAs<PointerType>()->getPointeeType())))
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mizvekov wrote:

This could avoid searching for the PointerType twice.

https://github.com/llvm/llvm-project/pull/134361