gcc/testsuite/gfortran.dg/char_cast_1.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-O2 -fdump-tree-original" }
   3 !
   4 ! Check the fix for PR31608 in all it's various manifestations:)
   5 ! Contributed by Richard Guenther <rguenth@gcc.gnu.org>
   6 !
   7   character(len=1) :: string = "z"
   8   integer :: i(1) = (/100/)
   9   print *, Up("abc")
  10   print *, transfer(((transfer(string,"x",1))), "x",1)
  11   print *, transfer(char(i), "x")
  12   print *, Upper ("abcdefg")
  13  contains
  14   Character (len=20) Function Up (string)
  15     Character(len=*) string
  16     character(1) :: chr
  17     Up = transfer(achar(iachar(transfer(string,chr,1))), "x")
  18     return
  19   end function Up
  20   Character (len=20) Function Upper (string)
  21     Character(len=*) string
  22     Upper =                                                                &
  23      transfer(merge(transfer(string,"x",len(string)),    &
  24        string, .true.), "x")
  25     return
  26   end function Upper
  27 end
  28 ! The sign that all is well is that [S.5][1] appears twice.
  29 ! Platform dependent variations are [S$5][1], [__S_5][1], [S___5][1]
  30 ! { dg-final { scan-tree-dump-times "5\\\]\\\[1\\\]" 2 "original" } }
  31 ! { dg-final { cleanup-tree-dump "original" } }