* Makefile.in (GTFILES): Add cgraph.h.
	* cgraph.c (known_decls): Remove.
	(cgraph_hash, cgraph_nodes, cgraph_nodes_queue,
	cgraph_varpool_hash, cgraph_varpool_nodes_queue): GTYize.
	(cgraph_node): Do not allocate known_decls; use polutate hashtable.
	(cgraph_varpool_node): Likewise; add next pointer.
	(cgraph_varpool_nodes): New static variable.
	* cgraph.h (cgraph_local_info, cgraph_global_info, cgraph_rtl_info,
	cgraph_node, cgraph_edge, cgraph_varpool_node, cgraph_nodes, cgraph_n_nodes,
	cgraph_varpool_n_nodes, cgraph_varpool_nodes_queue): GTYize.
	* gengtype.c (open_base_files): Include cgraph.h

From-SVN: r68742