* toplev.c (file_name_nondirectory): Remove.
	* toplev.h: Similarly.
	* dwarf2out.c (compute_section_prefix): Use lbasename instead
	of file_name_nondirectory.
	* cp/lex.c: Delete duplicate pending_lang_change.
	* cp/lex.c (handle_pragma_interface, handle_pragma_implementation):
	Similarly.
	* cp/repo.c (get_base_filename, open_repo_file): Similarly.
	* cp/cp-tree.h: Remove file_name_nondirectory prototype.

From-SVN: r40369