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! { dg-do run }
! { dg-options "-fbounds-check" }
! Tests the fix for PR31257, in which achar caused an ICE because it had no
! charlen.
!
! The code comes from http://www.star.le.ac.uk/~cgp/fortran.html (by Clive Page)
! Reported by Thomas Koenig <tkoenig@gcc.gnu.org>
!
if (any (Up ("AbCdEfGhIjKlM") .ne. (/"ABCDEFGHIJKLM"/))) call abort ()
contains
Character (len=20) Function Up (string)
Character(len=*) string
Up = &
transfer(merge(achar(iachar(transfer(string,"x",len(string)))- &
(ichar('a')-ichar('A')) ), &
transfer(string,"x",len(string)) , &
transfer(string,"x",len(string)) >= "a" .and. &
transfer(string,"x",len(string)) <= "z"), repeat("x", len(string)))
return
end function Up
end
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