* Makefile.in (cgraph.o): Depend on output.h, not depend on
	tree-inline.h
	* cgraph.c: Do not include tree-inline.h; include output.h
	(known_fns): Rename to ...
	(known_decls): ... this one; update all uses.
	(cgraph_varpool_hash): New static variable.
	(cgraph_varpool_n_nodes, cgraph_varpool_nodes_queue): New global
	variables.
	(cgraph_varpool_hash_node, eq_cgraph_varpool_node, cgraph_varpool_node,
	cgraph_varpool_node_for_identifier, cgraph_varpool_mark_needed_node,
	cgraph_varpool_finalize_decl, cgraph_varpool_assemble_pending_decls):
	New functions.
	* cgraph.h (cgraph_varpool_node): New structure.
	(cgraph_varpool_n_nodes, cgraph_varpool_nodes_queue): Declare.
	(cgraph_varpool_node, cgraph_varpool_node_for_identifier,
	cgraph_varpool_finalize_decl, cgraph_varpool_mark_needed_node,
	cgraph_varpool_asemble_pending_decls): Declare.
	* cgraphunit.c (record_call_1): Notice variable references.
	(cgraph_finalize_compilation_unit): Assemble pending variables.
	* toplev.c (wrapup_global_declarations): Use varpool.
	(compile_file): Assemble pending declarations.
	(rest_of_decl_compilation): Use varpool in unit-at-a-time mode.
	* varasm.c (assemble_name): Notice varpool references.

From-SVN: r68426