re PR libfortran/25697 (libfortran - Segmentation fault/ Bad Address on unformatted...

2006-01-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/25697
	* gfortran.dg/read_eof.f90: New test.

From-SVN: r109872

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 017c3a0fd018dd5fb744b00136d4cb13b7a1e820..dc5c57a360edf93e04293a44d163e72e4ba008cd 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-01-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+       PR fortran/25697
+       * gfortran.dg/read_eof.f90: New test.
+
 2006-01-17  Andrew Pinski  <pinskia@physics.uc.edu>
 
        * gcc.dg/torture/fp-int-convert-float128.c: Fix dg-do line,

diff --git a/gcc/testsuite/gfortran.dg/read_eof.f90 b/gcc/testsuite/gfortran.dg/read_eof.f90
new file mode 100644 (file)
index 0000000..b5c4901
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/read_eof.f90
@@ -0,0 +1,27 @@
+! { dg-do run }
+! PR25697 Check that reading from a file that is at end-of-file does not
+! segfault or give error.  Test case derived from example in PR from Dale Ranta.
+! Contributed by Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+       integer data(9)
+       do i = 1,9
+         data(i)=-3
+       enddo
+       open(unit=11,status='scratch',form='unformatted')
+       write(11)data
+       read(11,end=        1000 )data
+       call abort()
+ 1000  continue
+       backspace 11
+       backspace 11
+       write(11)data
+       rewind 11
+       data = 0
+       read(11,end=        1001 )data
+ 1001  continue
+       read(11,end=        1002 )data
+       call abort
+ 1002  continue
+       if (.not. all(data == -3)) call abort()
+       close(11)
+       end
+