* coffread.c (coff_objfile_data_key): New global.

	* coffread.c (coff_objfile_data_key): New global.
	(coff_symfile_init): Use set_objfile_data.
	(coff_symfile_read): Use objfile_data.
	(coff_symfile_finish): Don't free deprecated_sym_private.
	(coff_free_info): New function.
	(_initialize_coffread): Initialize coff_objfile_data_key.
	* mdebugread.c (pending_list): Update comment.
	* objfiles.h (struct objfile) <deprecated_sym_private>: Remove.
	* symfile.c (reread_symbols): Don't mention
	deprecated_sym_private.
	* xcoffread.c (xcoff_objfile_data_key): New global.
	(XCOFF_DATA): New macro.
	(process_linenos, enter_line_range, xcoff_next_symbol_text)
	(read_xcoff_symtab, coff_getfilename, read_symbol_lineno): Use
	XCOFF_DATA.
	(xcoff_new_init) Use set_objfile_data.
	(xcoff_symfile_finish): Don't free deprecated_sym_private.
	(init_stringtab, swap_sym, scan_xcoff_symtab)
	(xcoff_get_toc_offset, xcoff_initial_scan): Use XCOFF_DATA.
	(xcoff_free_info): New function.
	(_initialize_xcoffread): Initialize xcoff_objfile_data_key.