https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104127
anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 CC| |anlauf at gcc dot gnu.org Last reconfirmed| |2022-01-19 Status|UNCONFIRMED |NEW --- Comment #1 from anlauf at gcc dot gnu.org --- Confirmed. Happens even for default character, e.g. call sub (transfer('a', 'y', size=0)) Likely an issue with the result being an array of size 0.