* doc/invoke.texi (-fdump-unnumbered): Update docs when line number

	notes are gone.
	* print-rtl.c (flag_dump_unnumbered): Update comments.
	(print_rtl): Fix my previous change.
	* emit-rtl.c (emit_note_before, emit_note_after): Clear out note
	specific data.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125026 138bc75d-0d04-0410-961f-82ee72b054a4