cause of all the mainline Sparc regressions

[David S. Miller]

   From: Jan Hubicka <jh@suse.cz>
   Date: Thu, 23 May 2002 19:00:17 +0200

   OK, then I would preffer to drop the flag and use
   delete_unrechable_blocks only. David, do you want to make the change? I
   can add it to my TODO after finals otherwise.

I will do it.