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! { dg-do run }

! { dg-options "-O -fdump-tree-original" }

! PR 47065 - replace trim with substring expressions even with references.

program main

  implicit none

  type t

     character(len=2) :: x

  end type t

  type(t) :: a

  character(len=3) :: b

  character(len=10) :: line

  a%x = 'a'

  write(unit=line,fmt='(A,A)') trim(a%x),"X"

  if (line /= 'aX        ') call abort

  b = 'ab'

  write (unit=line,fmt='(A,A)') trim(b),"Y"

  if (line /= 'abY       ') call abort

end program main

! { dg-final { scan-tree-dump-times "string_len_trim" 2 "original" } }

! { dg-final { cleanup-tree-dump "original" } }