/usr/include/tao/IFR_Client/ is in libtao-dev 6.0.1-3.
This file is owned by root:root, with mode 0o755.
..
/usr/include/tao/IFR_Client/IFR_BaseA.h
/usr/include/tao/IFR_Client/IFR_BaseC.h
/usr/include/tao/IFR_Client/IFR_BaseC.inl
/usr/include/tao/IFR_Client/IFR_BaseS.h
/usr/include/tao/IFR_Client/IFR_BasicA.h
/usr/include/tao/IFR_Client/IFR_BasicC.h
/usr/include/tao/IFR_Client/IFR_BasicC.inl
/usr/include/tao/IFR_Client/IFR_BasicS.h
/usr/include/tao/IFR_Client/IFR_Client_Adapter_Impl.h
/usr/include/tao/IFR_Client/IFR_ComponentsA.h
/usr/include/tao/IFR_Client/IFR_ComponentsC.h
/usr/include/tao/IFR_Client/IFR_ComponentsC.inl
/usr/include/tao/IFR_Client/IFR_ComponentsS.h
/usr/include/tao/IFR_Client/IFR_ExtendedA.h
/usr/include/tao/IFR_Client/IFR_ExtendedC.h
/usr/include/tao/IFR_Client/IFR_ExtendedC.inl
/usr/include/tao/IFR_Client/IFR_ExtendedS.h
/usr/include/tao/IFR_Client/ifr_client_export.h