PR middle-end/60484
	* common.opt (dump_base_name_prefixed): New Variable.
	* opts.c (finish_options): Don't prepend directory to x_dump_base_name
	if x_dump_base_name_prefixed is already set, set it at the end.


Co-Authored-By: Marek Polacek <polacek@redhat.com>

From-SVN: r208571