* cgraph.c (cgraph_node): Use INSERT instead of 1 in
	htab_find_slot_with_hash.
	(cgraph_node_for_identifier): Use NO_INSERT.
	(cgraph_remove_node): Use NO_INSERT.
	(cgraph_varpool_node): Use INSERT.
	(cgraph_varpool_node_for_identifier): Use NO_INSERT.

From-SVN: r72031