2014-07-31  Martin Liska  <mliska@suse.cz>

	* cgraph.h (cgraph_node_set, varpool_node_set): Removed structs and all
	related functions that manipulated these data structures.
	(cgraph_new_nodes): vec replaces cgraph_node_set.
	* cgraphunit.c (cgraph_new_nodes): Likewise.
	(cgraph_process_new_functions): Usage of newly added indexed_set class.
	(cgraph_node::add_new_function): Likewise.
	* indexed-set.h: New data structure.
	* ipa-inline-transform.c (can_remove_node_now_p_1): Usage of newly
	added indexed_set class.
	* ipa-utils.c: Implementations of legacy data structures removed.
	* tree-emutls.c (tls_vars): indexed_set replaces varpool_node_set.
	(emutls_index): New functions are used.
	(ipa_lower_emutls): Likewise.