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1 ! { dg-do run }
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2 ! PR51870 - ALLOCATE with class function expression for SOURCE failed.
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3 ! This version of the test allocates class arrays with MOLD.
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4 !
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5 ! Reported by Tobias Burnus <burnus@gcc.gnu.org>
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6 !
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7 module show_producer_class
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8 implicit none
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9 type integrand
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10 integer :: variable = 1
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11 end type integrand
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12
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13 type show_producer
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14 contains
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15 procedure ,nopass :: create_show
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16 procedure ,nopass :: create_show_array
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17 end type
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18 contains
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19 function create_show () result(new_integrand)
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20 class(integrand) ,allocatable :: new_integrand
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21 allocate(new_integrand)
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22 new_integrand%variable = -1
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23 end function
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24 function create_show_array (n) result(new_integrand)
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25 class(integrand) ,allocatable :: new_integrand(:)
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26 integer :: n, i
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27 allocate(new_integrand(n))
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28 select type (new_integrand)
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29 type is (integrand); new_integrand%variable = [(i, i= 1, n)]
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30 end select
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31 end function
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32 end module
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33
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34 program main
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35 use show_producer_class
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36 implicit none
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37 class(integrand) ,allocatable :: kernel1(:), kernel2(:)
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38 type(show_producer) :: executive_producer
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39
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40 allocate(kernel1(5), kernel2(5),mold=executive_producer%create_show_array (5))
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41 select type(kernel1)
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42 type is (integrand); if (any (kernel1%variable .ne. 1)) STOP 1
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43 end select
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44
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45 deallocate (kernel1)
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46
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47 allocate(kernel1(3),mold=executive_producer%create_show ())
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48 select type(kernel1)
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49 type is (integrand); if (any (kernel1%variable .ne. 1)) STOP 2
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50 end select
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51
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52 deallocate (kernel1)
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53
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54 select type(kernel2)
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55 type is (integrand); kernel2%variable = [1,2,3,4,5]
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56 end select
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57
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58 allocate(kernel1(3),source = kernel2(3:5))
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59 select type(kernel1)
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60 type is (integrand); if (any (kernel1%variable .ne. [3,4,5])) STOP 3
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61 end select
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62 end program
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