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! { dg-do run }
! { dg-options "-fdump-tree-original" }
!
! PR 42647: Missed initialization/dealloc of allocatable scalar DT with allocatable component
!
! Contributed by Tobias Burnus <burnus@gcc.gnu.org>

module m                                                                        
type st                                                                         
  integer , allocatable :: a1                                                   
end type st                                                                     
type at                                                                         
  integer , allocatable :: a2(:)                                                
end type at                                                                     

type t1
  type(st), allocatable :: b1
end type t1
type t2
  type(st), allocatable :: b2(:)
end type t2
type t3
  type(at), allocatable :: b3
end type t3
type t4
  type(at), allocatable :: b4(:)
end type t4
end module m

use m
type(t1) :: na1, a1, aa1(:)
type(t2) :: na2, a2, aa2(:)
type(t3) :: na3, a3, aa3(:)
type(t4) :: na4, a4, aa4(:)
allocatable :: a1, a2, a3, a4, aa1, aa2, aa3,aa4

if(allocated(a1)) call abort()
if(allocated(a2)) call abort()
if(allocated(a3)) call abort()
if(allocated(a4)) call abort()
if(allocated(aa1)) call abort()
if(allocated(aa2)) call abort()
if(allocated(aa3)) call abort()
if(allocated(aa4)) call abort()

if(allocated(na1%b1)) call abort()
if(allocated(na2%b2)) call abort()
if(allocated(na3%b3)) call abort()
if(allocated(na4%b4)) call abort()
end

! { dg-final { scan-tree-dump-times "__builtin_free" 32 "original" } }
! { dg-final { cleanup-tree-dump "original" } }

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