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! { dg-do compile }
! { dg-options "-fdump-tree-original" }
! This is the same as achar_4.f90 but checks that the result of the 'merge'
! reference is correctly cast.
!
! 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
! The sign that all is well is that [S.5][1] appears twice.
! Platform dependent variations are [S$5][1], [__S_5][1], [S___5][1]
! so we count the occurrences of 5][1].
! { dg-final { scan-tree-dump-times "5\\\]\\\[1\\\]" 2 "original" } }
! { dg-final { cleanup-tree-dump "original" } }
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