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! { dg-do run }

! { dg-options "-fdump-tree-original" }

!

! Test the fix for PR41113 and PR41117, in which unnecessary calls

! to internal_pack and internal_unpack were being generated.

!

! Contributed by Joost VandeVondele 

!

MODULE M1

 TYPE T1

   REAL :: data(10) = [(i, i = 1, 10)]

 END TYPE T1

CONTAINS

 SUBROUTINE S1(data, i, chksum)

   REAL, DIMENSION(*) :: data

   integer :: i, j

   real :: subsum, chksum

   subsum = 0

   do j = 1, i

     subsum = subsum + data(j)

   end do

   if (abs(subsum - chksum) > 1e-6) call abort

 END SUBROUTINE S1

END MODULE

SUBROUTINE S2

 use m1

 TYPE(T1) :: d

 real :: data1(10) = [(i, i = 1, 10)]

 REAL :: data(-4:5,-4:5) = reshape ([(real(i), i = 1, 100)], [10,10])

! PR41113

 CALL S1(d%data, 10, sum (d%data))

 CALL S1(data1, 10, sum (data1))

! PR41117

 DO i=-4,5

    CALL S1(data(:,i), 10, sum (data(:,i)))

 ENDDO

! With the fix for PR41113/7 this is the only time that _internal_pack

! was called.  The final part of the fix for PR43072 put paid to it too.

 DO i=-4,5

    CALL S1(data(-2:,i), 8, sum (data(-2:,i)))

 ENDDO

 DO i=-4,4

    CALL S1(data(:,i:i+1), 20, sum (reshape (data(:,i:i+1), [20])))

 ENDDO

 DO i=-4,5

    CALL S1(data(2,i), 1, data(2,i))

 ENDDO

END SUBROUTINE S2

 call s2

end

! { dg-final { cleanup-modules "m1" } }

! { dg-final { scan-tree-dump-times "_gfortran_internal_pack" 0 "original" } }

! { dg-final { cleanup-tree-dump "original" } }