[Bug fortran/63158] Possible wrong code with absend optional BT_CLASS -> optional BT_DERIVED dummy argument

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63158

--- Comment #2 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
Ping!