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! { dg-do compile }

! { dg-options "-O2 -fdump-tree-original" }

!

! Check the fix for PR31608 in all it's various manifestations:)

! Contributed by Richard Guenther 

!

  character(len=1) :: string = "z"

  integer :: i(1) = (/100/)

  print *, Up("abc")

  print *, transfer(((transfer(string,"x",1))), "x",1)

  print *, transfer(char(i), "x")

  print *, Upper ("abcdefg")

 contains

  Character (len=20) Function Up (string)

    Character(len=*) string

    character(1) :: chr

    Up = transfer(achar(iachar(transfer(string,chr,1))), "x")

    return

  end function Up

  Character (len=20) Function Upper (string)

    Character(len=*) string

    Upper =                                                                &

     transfer(merge(transfer(string,"x",len(string)),    &

       string, .true.), "x")

    return

  end function Upper

end

! The sign that all is well is that [S.6][1] appears twice.

! Platform dependent variations are [S$6][1], [__S_6][1], [S___6][1]

! { dg-final { scan-tree-dump-times "6\\\]\\\[1\\\]" 2 "original" } }

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