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! { dg-do run }
!
! PR fortran/56615
!
! Contributed by Harald Anlauf
!
!
program gfcbug
implicit none
integer, parameter :: n = 8
integer :: i
character(len=1), dimension(n) :: a, b
character(len=n) :: s, t
character(len=n/2) :: u
do i = 1, n
a(i) = achar (i-1 + iachar("a"))
end do
! print *, "# Forward:"
! print *, "a=", a
s = transfer (a, s)
! print *, "s=", s
call cmp (a, s)
! print *, " stride = +2:"
do i = 1, n/2
u(i:i) = a(2*i-1)
end do
! print *, "u=", u
call cmp (a(1:n:2), u)
! print *
! print *, "# Backward:"
b = a(n:1:-1)
! print *, "b=", b
t = transfer (b, t)
! print *, "t=", t
call cmp (b, t)
! print *, " stride = -1:"
call cmp (a(n:1:-1), t)
contains
subroutine cmp (b, s)
character(len=1), dimension(:), intent(in) :: b
character(len=*), intent(in) :: s
character(len=size(b)) :: c
c = transfer (b, c)
if (c /= s) then
print *, "c=", c, " ", merge (" ok","BUG!", c == s)
call abort ()
end if
end subroutine cmp
end program gfcbug
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