[Bug fortran/78737] [OOP] linking error with deferred, undefined user-defined derived-type I/O

[janus at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78737

--- Comment #7 from janus at gcc dot gnu.org ---
It seems that the function get_dtio_proc in trans-io.c needs to be fixed.