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! { dg-do run }

!

! PR fortran/35721

!

! ASSOCIATED(ptr, trgt) should return true if

! the same storage units (in the same order)

! gfortran was returning false if the strips

! were different but only one (the same!) element

! was present.

!

! Contributed by Dick Hendrickson

!

      program try_mg0028

      implicit none

      real  tda2r(2,3)

      call       mg0028(tda2r,  1,  2,  3)

      CONTAINS

      SUBROUTINE MG0028(TDA2R,nf1,nf2,nf3)

      integer        ::  nf1,nf2,nf3

      real, target   ::  TDA2R(NF2,NF3)

      real, pointer  ::  TLA2L(:,:),TLA2L1(:,:)

      logical LL(4)

      TLA2L => TDA2R(NF2:NF1:-NF2,NF3:NF1:-NF2)

      TLA2L1 => TLA2L

      LL(1) = ASSOCIATED(TLA2L)

      LL(2) = ASSOCIATED(TLA2L,TLA2L1)

      LL(3) = ASSOCIATED(TLA2L,TDA2R)

      LL(4) = ASSOCIATED(TLA2L1,TDA2R(2:2,3:1:-2))  !should be true

      if (any(LL .neqv. (/ .true., .true., .false., .true./))) then

        print *, LL

        print *, shape(TLA2L1)

        print *, shape(TDA2R(2:2,3:1:-2))

        stop

      endif

      END SUBROUTINE

      END PROGRAM