diff options
Diffstat (limited to 'gcc/testsuite/gfortran.dg/backspace_10.f90')
| -rw-r--r-- | gcc/testsuite/gfortran.dg/backspace_10.f90 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/backspace_10.f90 b/gcc/testsuite/gfortran.dg/backspace_10.f90 new file mode 100644 index 000000000..574d464c4 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/backspace_10.f90 @@ -0,0 +1,37 @@ +! { dg-do run } +! PR33307 I/O read/positioning problem - in BACKSPACE +! Test case devloped from test in PR by Jerry DeLisle <jvdelisle@gcc.gnu.org> +program gfcbug69b + ! Modified example program + implicit none + integer, parameter :: iunit = 63 + integer :: istat, k, ios + character(len=20) :: line, message + + open (iunit) + write (iunit, '(a)') "! ***Remove this line***" + write (iunit, '(a)') "&FOO file='foo' /" + write (iunit, '(a)', advance="no") "&BAR file='bar' /" + close (iunit) +! Note: Failure occurred only when ACTION="read" was specified + open (iunit, action="read", status="old") + + read (iunit,'(a)',iostat=ios) line + if (ios /= 0) call abort + read (iunit,'(a)',iostat=ios) line + if (ios /= 0) call abort + read (iunit,'(a)',iostat=ios) line + if (ios /= 0) call abort + read (iunit,'(a)',iostat=ios) line + if (ios /= 0) backspace (iunit) + rewind (iunit) + read (iunit,'(a)',iostat=ios) line + if (ios /= 0) call abort + read (iunit,'(a)',iostat=ios) line + if (ios /= 0) call abort + read (iunit,'(a)',iostat=ios) line + if (ios /= 0) call abort + read (iunit,'(a)',iostat=ios) line + if (ios /= -1) call abort + close (iunit, status="delete") +end program gfcbug69b |