gcc/testsuite/gfortran.dg/namelist_empty.f90

   1 ! { dg-do compile }
   2 ! { dg-options "-std=legacy" }
   3 !
   4 ! pr24584, segfault on namelist reading an empty string
   5 ! Contributed by Jerry DeLisle  <jvdelisle@verizon.net>
   6       implicit none
   7       character*20   temp
   8       character(len=10) var
   9       namelist /input/ var
  10       var = 'Howdy'
  11       open(unit=7, status="scratch")
  12       temp = '   var='''''  ! var='' in the file
  13       write(7,'(A6)') '&INPUT'
  14       write(7,'(A10)') temp
  15       write(7,'(A1)') '/'
  16       rewind(7)
  17       read(7,NML=input)
  18       close(7)
  19       if (var.ne.'') STOP 1
  20       end