Address review comment

Co-authored-by: Anton Korobeynikov <[email protected]>

Author: kovdan01

lib/Sema/TypeCheckAttr.cpp

@@ -5459,7 +5459,7 @@ static AbstractFunctionDecl *findAutoDiffOriginalFunctionDecl(
   if (!baseType && lookupContext->isTypeContext())
     baseType = lookupContext->getSelfTypeInContext();
   if (baseType) {
-    if (!baseType.getPointer()->hasError())
+    if (!baseType->hasError())
       results = TypeChecker::lookupMember(lookupContext, baseType, funcName);
   } else {
     results = TypeChecker::lookupUnqualified(