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! { dg-do run }

! This tests a few reshape PRs.

program resh

  implicit none

  real, dimension (2,3) :: a,c

  real, dimension (12) :: b

  type foo

    real :: r

  end type foo

  type(foo), dimension (2,3) :: ar

  type(foo), dimension (12) :: br

  character (len=80) line1, line2, line3

  integer :: i

  ! PR 21108:  This used to give undefined results.

  b = (/(i,i=1,12)/)

  a = reshape(b(1:12:2),shape(a),order=(/2,1/))

  c = reshape(b(1:12:2),shape(a),order=(/2,1/))

  if (any (a /= c)) call abort

  ! Test generic reshape

  br%r = b

  ar = reshape(br(1:12:2),shape(a),order=(/2,1/))

  if (any (ar%r /= a)) call abort

  ! Test callee-allocated memory with a write statement

  write (line1,'(6F8.3)') reshape(b(1:12:2),shape(a),order=(/2,1/))

  write (line2,'(6F8.3)') a

  if (line1 /= line2 ) call abort

  write (line3,'(6F8.3)') reshape(br(1:12:2),shape(ar),order=(/2,1/))

  if (line1 /= line3 ) call abort

end