https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102891
anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |NEW CC| |anlauf at gcc dot gnu.org Last reconfirmed| |2021-10-22 --- Comment #1 from anlauf at gcc dot gnu.org --- Confirmed. Interestingly, replacing the line call print_arr(w%z%re) by call print_arr([w%z%re]) works around the issue.