gcc/testsuite/gfortran.dg/char_result_12.f90

   1 ! { dg-do run }
   2 ! Tests the fix for PR29912, in which the call to JETTER
   3 ! would cause a segfault because a temporary was not being written.
   4 !
   5 ! Contributed by Philip Mason  <pmason@ricardo.com>
   6 !
   7  program testat
   8  character(len=4)   :: ctemp(2)
   9  character(len=512) :: temper(2)
  10  !
  11  !------------------------
  12  !'This was OK.'
  13  !------------------------
  14  temper(1) = 'doncaster'
  15  temper(2) = 'uxbridge'
  16  ctemp     = temper
  17  if (any (ctemp /= ["donc", "uxbr"])) call abort ()
  18  !
  19  !------------------------
  20  !'This went a bit wrong.'
  21  !------------------------
  22  ctemp = jetter(1,2)
  23  if (any (ctemp /= ["donc", "uxbr"])) call abort ()
  24
  25  contains
  26    function jetter(id1,id2)
  27    character(len=512) :: jetter(id1:id2)
  28    jetter(id1) = 'doncaster'
  29    jetter(id2) = 'uxbridge'
  30    end function jetter
  31  end program testat