File Content: gh18335.f90 ! When gh18335_workaround is defined as an extension, ! the issue cannot be reproduced. !subroutine gh18335_workaround(f, y) ! implicit none ! external f ! integer(kind=1) :: y(1) ! call f(y) !end subroutine gh18335_workaround function gh18335(f) result (r) implicit none external f integer(kind=1) :: y(1), r y(1) = 123 call f(y) r = y(1) end function gh18335 Submit