2014-01-17  Martin Jambor  <mjambor@suse.cz>

	PR ipa/59736
	* ipa-cp.c (prev_edge_clone): New variable.
	(grow_next_edge_clone_vector): Renamed to grow_edge_clone_vectors.
	Also resize prev_edge_clone vector.
	(ipcp_edge_duplication_hook): Also update prev_edge_clone.
	(ipcp_edge_removal_hook): New function.
	(ipcp_driver): Register ipcp_edge_removal_hook.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@206729 138bc75d-0d04-0410-961f-82ee72b054a4