Merge pull request #2527 from PiotrNycz:gmock_prevent_return_ref_to_store_temporaries_2

PiperOrigin-RevId: 277061341

googlemock/include/gmock/gmock-actions.h

@@ -1052,6 +1052,10 @@ inline internal::ReturnRefAction<R> ReturnRef(R& x) {  // NOLINT
   return internal::ReturnRefAction<R>(x);
 }
 
+// Prevent using ReturnRef on reference to temporary.
+template <typename R, R* = nullptr>
+internal::ReturnRefAction<R> ReturnRef(R&&) = delete;
+
 // Creates an action that returns the reference to a copy of the
 // argument.  The copy is created when the action is constructed and
 // lives as long as the action.