! { dg-do run }
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! { dg-do run }
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! Test the move_alloc intrinsic.
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! Test the move_alloc intrinsic.
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!
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!
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! Contributed by Erik Edelmann
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! Contributed by Erik Edelmann
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! and Paul Thomas
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! and Paul Thomas
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!
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!
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program test_move_alloc
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program test_move_alloc
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implicit none
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implicit none
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integer, allocatable :: x(:), y(:), temp(:)
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integer, allocatable :: x(:), y(:), temp(:)
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character(4), allocatable :: a(:), b(:)
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character(4), allocatable :: a(:), b(:)
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integer :: i
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integer :: i
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allocate (x(2))
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allocate (x(2))
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allocate (a(2))
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allocate (a(2))
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x = [ 42, 77 ]
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x = [ 42, 77 ]
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call move_alloc (x, y)
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call move_alloc (x, y)
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if (allocated(x)) call abort()
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if (allocated(x)) call abort()
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if (.not.allocated(y)) call abort()
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if (.not.allocated(y)) call abort()
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if (any(y /= [ 42, 77 ])) call abort()
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if (any(y /= [ 42, 77 ])) call abort()
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a = [ "abcd", "efgh" ]
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a = [ "abcd", "efgh" ]
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call move_alloc (a, b)
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call move_alloc (a, b)
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if (allocated(a)) call abort()
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if (allocated(a)) call abort()
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if (.not.allocated(b)) call abort()
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if (.not.allocated(b)) call abort()
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if (any(b /= [ "abcd", "efgh" ])) call abort()
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if (any(b /= [ "abcd", "efgh" ])) call abort()
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! Now one of the intended applications of move_alloc; resizing
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! Now one of the intended applications of move_alloc; resizing
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call move_alloc (y, temp)
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call move_alloc (y, temp)
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allocate (y(6), stat=i)
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allocate (y(6), stat=i)
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if (i /= 0) call abort()
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if (i /= 0) call abort()
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y(1:2) = temp
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y(1:2) = temp
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y(3:) = 99
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y(3:) = 99
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deallocate(temp)
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deallocate(temp)
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if (any(y /= [ 42, 77, 99, 99, 99, 99 ])) call abort()
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if (any(y /= [ 42, 77, 99, 99, 99, 99 ])) call abort()
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end program test_move_alloc
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end program test_move_alloc
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