* lto-cgraph.c (output_cgraph): Rename to ...
	(output_symtab): ... this one. Update for LTO_section_symtab_nodes.
	(input_cgraph): Rename to ...
	(input_symtab): ... this one. Update for LTO_section_symtab_nodes.
	* lto-streamer-out.c (create_output_block): Do not set
	section_type.
	(produce_asm): Likewise.
	(lto_output_toplevel_asms): Likewise.
	(produce_asm_for_decls): Likewise.
	(lto_output): Use output_symtab.
	* lto-section-in.c (lto_section_name): Update.
	* lto-section-out.c (lto_destroy_simple_output_block): Remove section_type.
	* lto-streamer.h (enum lto_section_type): Remove LTO_section_varpool;
	rename LTO_section_cgraph to LTO_section_symtab_nodes.
	(struct lto_header): Remove section_type.

	* lto.c (read_cgraph_and_symbols): Use input_symtab.

From-SVN: r190312