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! { dg-do run }

! { dg-require-effective-target fortran_large_int }

! Program to test the UNPACK intrinsic for a long integer type

program intrinsic_unpack

   implicit none

   integer,parameter :: k = selected_int_kind (range (0_8) + 1)

   integer(kind=k), dimension(3, 3) :: ak, bk

   logical, dimension(3, 3) :: mask

   character(len=100) line1, line2

   integer i

   mask = reshape ((/.false.,.true.,.false.,.true.,.false.,.false.,&

                    &.false.,.false.,.true./), (/3, 3/));

   ak = reshape ((/1, 0, 0, 0, 1, 0, 0, 0, 1/), (/3, 3/));

   bk = unpack ((/2_k, 3_k, 4_k/), mask, ak)

   if (any (bk .ne. reshape ((/1, 2, 0, 3, 1, 0, 0, 0, 4/), (/3, 3/)))) &

      call abort

   write (line1,'(10I4)') bk

   write (line2,'(10I4)') unpack((/2_k, 3_k, 4_k/), mask, ak)

   if (line1 .ne. line2) call abort

   bk = -1

   bk = unpack ((/2_k, 3_k, 4_k/), mask, 0_k)

   if (any (bk .ne. reshape ((/0, 2, 0, 3, 0, 0, 0, 0, 4/), (/3, 3/)))) &

      call abort

end program