Look through function conversion expressions when querying the called function

decl of a deprecated-renamed API in order to emit a fix-it

Resolves rdar://113768664

Author: artemcm

lib/Sema/TypeCheckAvailability.cpp

@@ -2367,7 +2367,8 @@ static void fixItAvailableAttrRename(InFlightDiagnostic &diag,
         // renaming fix-it doesn't need do be produced.
         if ((parsed.ContextName.empty() ||
              parsed.ContextName == callContextName) &&
-            CE->getCalledValue()->getBaseName() == parsed.BaseName) {
+            CE->getCalledValue(/*skipFunctionConversions=*/true)
+                    ->getBaseName() == parsed.BaseName) {
           shouldEmitRenameFixit = false;
         }
       }