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! { dg-do run }
!
! Check the fix for PR34640 comments 1 and 3.
!
! This involves passing and returning pointer array components that
! point to components of arrays of derived types.
!
MODULE test
IMPLICIT NONE
TYPE :: my_type
INTEGER :: value
integer :: tag
END TYPE
CONTAINS
SUBROUTINE get_values(values, switch)
INTEGER, POINTER :: values(:)
integer :: switch
TYPE(my_type), POINTER :: d(:)
allocate (d, source = [my_type(1,101), my_type(2,102)])
if (switch .eq. 1) then
values => d(:)%value
if (any (values .ne. [1,2])) print *, values(2)
else
values => d(:)%tag
if (any (values .ne. [101,102])) STOP 1
end if
END SUBROUTINE
function return_values(switch) result (values)
INTEGER, POINTER :: values(:)
integer :: switch
TYPE(my_type), POINTER :: d(:)
allocate (d, source = [my_type(1,101), my_type(2,102)])
if (switch .eq. 1) then
values => d(:)%value
if (any (values .ne. [1,2])) STOP 2
else
values => d(:)%tag
if (any (values([2,1]) .ne. [102,101])) STOP 3
end if
END function
END MODULE
use test
integer, pointer :: x(:)
type :: your_type
integer, pointer :: x(:)
end type
type(your_type) :: y
call get_values (x, 1)
if (any (x .ne. [1,2])) STOP 4
call get_values (y%x, 2)
if (any (y%x .ne. [101,102])) STOP 5
x => return_values (2)
if (any (x .ne. [101,102])) STOP 6
y%x => return_values (1)
if (any (y%x .ne. [1,2])) STOP 7
end
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