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! { dg-do compile }

! Tests fix for PR20840 - would ICE with vector subscript in

! internal unit.

!

! Contributed by Paul Thomas  

!

  character(len=12), dimension(4) :: iu, buff

  character(len=48), dimension(2) :: iue

  equivalence (iu, iue)

  integer, dimension(4) :: v = (/2,1,4,3/)

  iu = (/"Vector","subscripts","not","allowed!"/)

  read (iu, '(a12/)') buff

  read (iue(1), '(4a12)') buff

  read (iu(4:1:-1), '(a12/)') buff

  read (iu(v), '(a12/)') buff           ! { dg-error "with vector subscript" }

  read (iu((/2,4,3,1/)), '(a12/)') buff ! { dg-error "with vector subscript" }

  print *, buff

  end