Send bug reports for GNU C to `firstname.lastname@example.org'.
Send bug reports for GNU C++ and the C++ runtime libraries to `email@example.com'.
Often people think of posting bug reports to the newsgroup instead of mailing them. This appears to work, but it has one problem which can be crucial: a newsgroup posting does not contain a mail path back to the sender. Thus, if maintainers need more information, they may be unable to reach you. For this reason, you should always send bug reports by mail to the proper mailing list.
As a last resort, send bug reports on paper to:
GNU Compiler Bugs Free Software Foundation 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA