1. 2020-02-23 [Bug fortran/57710] [OOP] [F08] _vptr not set for all gcc-bugs pault at gcc dot g 2. 2013-08-01 [Bug fortran/57710] [OOP] [F08] _vptr not set for all gcc-bugs burnus at gcc dot 3. 2013-07-31 [Bug fortran/57710] [OOP] [F08] _vptr not set for all gcc-bugs janus at gcc dot g 4. 2013-07-31 [Bug fortran/57710] [OOP] [F08] _vptr not set for all gcc-bugs janus at gcc dot g