re PR libfortran/31880 ([4.2 only] silent data corruption in gfortran read statement)

2007-05-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/31880
	* gfortran.dg/unf_read_corrupted_2.f90: New test.

From-SVN: r124627

gcc/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2007-05-11  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
+
+	PR libfortran/31880
+	* gfortran.dg/unf_read_corrupted_2.f90: New test.
+
 2007-04-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
 	PR C++/30221

gcc/testsuite/gfortran.dg/unf_read_corrupted_2.f90

@@ -0,0 +1,27 @@
+! { dg-do run }
+! PR31880 silent data corruption in gfortran read statement
+! Test from PR.
+      program r3
+
+      integer(kind=4) :: a(1025),b(1025),c(1025),d(2048),e(1022)
+      
+      a = 5
+      b = 6
+      c = 7
+      e = 8
+
+      do i=1,2048
+         d(i)=i
+      end do
+
+      open  (3,form='unformatted', status="scratch")
+      write (3) a,b,c,d,e
+      rewind 3
+      d = 0
+      read  (3) a,b,c,d
+      close (3)
+
+      if (d(1).ne.1) call abort
+      if (d(2048).ne.2048) call abort
+
+      end