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! { dg-do run }

! PR 25031 - We didn't cause an error when allocating an already

!            allocated array.

program alloc_test

  implicit none

  integer :: i

  integer, allocatable :: a(:)

  integer, pointer :: b(:)

  allocate(a(4))

  ! This should set the stat code and change the size.

  allocate(a(3),stat=i)

  if (i == 0) call abort

  if (.not. allocated(a)) call abort

  if (size(a) /= 3) call abort

  ! It's OK to allocate pointers twice (even though this causes

  ! a memory leak)

  allocate(b(4))

  allocate(b(4))

end program