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References: <bug-31880-14526@http.gcc.gnu.org/bugzilla/>
Subject: [Bug libfortran/31880] silent data corruption in gfortran read statement
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From: "roconnor2 at tampabay dot rr dot com" <gcc-bugzilla@gcc.gnu.org>
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------- Comment #3 from roconnor2 at tampabay dot rr dot com  2007-05-10 01:02 -------
(In reply to comment #2)
> (In reply to comment #1)
> > Confirmed on i686-linux, for all active branches.
> > 
> 
> I'm not sure how you can confirm this.  The program is invalid.
> a,b,c, and e are undefined in the write statement, so gfortran 
> can do whateve it wants.
> 

This also exhibits the bug:

      program r3

      integer*4 a(1025),b(1025),c(1025),d(2048),e(1022)

      a = 0
      b = 0
      c = 0
      e = 0

      do i=1,2048
         d(i)=i
      end do

      open  (3,file='a',form='unformatted')
      write (3) a,b,c,d,e
      rewind 3
      read  (3) a,b,c,d
      close (3)

      print *,d(1)

      end


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31880