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! { dg-do run }
! PR51870 - ALLOCATE with class function expression for SOURCE failed.
! This version of the test allocates class arrays with MOLD.
!
! Reported by Tobias Burnus <burnus@gcc.gnu.org>
!
module show_producer_class
implicit none
type integrand
integer :: variable = 1
end type integrand
type show_producer
contains
procedure ,nopass :: create_show
procedure ,nopass :: create_show_array
end type
contains
function create_show () result(new_integrand)
class(integrand) ,allocatable :: new_integrand
allocate(new_integrand)
new_integrand%variable = -1
end function
function create_show_array (n) result(new_integrand)
class(integrand) ,allocatable :: new_integrand(:)
integer :: n, i
allocate(new_integrand(n))
select type (new_integrand)
type is (integrand); new_integrand%variable = [(i, i= 1, n)]
end select
end function
end module
program main
use show_producer_class
implicit none
class(integrand) ,allocatable :: kernel1(:), kernel2(:)
type(show_producer) :: executive_producer
allocate(kernel1(5), kernel2(5),mold=executive_producer%create_show_array (5))
select type(kernel1)
type is (integrand); if (any (kernel1%variable .ne. 1)) STOP 1
end select
deallocate (kernel1)
allocate(kernel1(3),mold=executive_producer%create_show ())
select type(kernel1)
type is (integrand); if (any (kernel1%variable .ne. 1)) STOP 2
end select
deallocate (kernel1)
select type(kernel2)
type is (integrand); kernel2%variable = [1,2,3,4,5]
end select
allocate(kernel1(3),source = kernel2(3:5))
select type(kernel1)
type is (integrand); if (any (kernel1%variable .ne. [3,4,5])) STOP 3
end select
end program
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