https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89366
--- Comment #5 from Bader at lrz dot de <Bader at lrz dot de> --- No. The dummy argument of the procedure process_string is declared character(kind=c_char,len=*), intent(in) :: this there is no POINTER or ALLOCATABLE attribute there. Regards Reinhold