2008-09-25  Martin Jambor  <mjambor@suse.cz>

	* cgraph.c (free_nodes): New variable.
	(NEXT_FREE_NODE): New macro.
	(cgraph_create_node): Reuse nodes from the free list.  Do not
	update uid if doing so.
	(cgraph_remove_node): Add the node to the free list.

From-SVN: r140660