Twin directories of gcc:

[DIR]  ftp://ftp.duth.gr/pub/NetBSD/NetBSD-release-3-1/src/gnu/dist/gcc/
[DIR]  ftp://ftp.duth.gr/pub/NetBSD/NetBSD-release-3-1/src/gnu/dist/toolchain/gcc/
[DIR]  ftp://ftp.duth.gr/pub/NetBSD/NetBSD-release-3-1/src/gnu/usr.bin/gcc/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror/ftp1.debian.or.jp/debian/pool/pool/main/g/gcc/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.freebsd.org/pub/FreeBSD/ports/local-distfiles/deischen/gcc/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.sunet.se/pub/lang/cygwin/release-2/gcc/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/gentoo/portage/sys-devel/gcc/
[DIR]  ftp://ftp.nsu.ru/mirrors/ftp.sunet.se/pub/lang/cygwin/release/gcc/
[DIR]  ftp://ftp.dk.freebsd.org/pub/FreeBSD/ports/local-distfiles/deischen/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/lang/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/gnu/dist/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/gnu/dist/toolchain/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-1/src/gnu/usr.bin/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-0/src/gnu/dist/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-0/src/gnu/dist/toolchain/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.3/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-0/src/gnu/usr.bin/gcc/
[DIR]  ftp://ftp.in2p3.fr/pub/FreeBSD/ports/local-distfiles/deischen/gcc/
[DIR]  ftp://ftp.udc.es/mirror/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.li.kernel.org/pub/.6/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://77.88.19.68/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.linux.hr/gentoo/portage/sys-devel/gcc/
[DIR]  ftp://ftp.ing.umu.se/linux/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://mir1.ovh.net/lv0/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.ecc.u-tokyo.ac.jp/mirror2/rsync1.us.gentoo.org/portage/sys-devel/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.0/rsync.gentoo.org/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.esat.net/mirrors/.0/rsync.gentoo.org/gentoo-x86-portage/sys-devel/gcc/
[DIR]  ftp://ftp.uevora.pt/mirrors/gentoo.org/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.cs.univ-paris8.fr/mirrors/rsync.gentoo.org/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://gentoo.inode.at/portage/sys-devel/gcc/
[DIR]  ftp://ftp.fi.debian.org/pub/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.monash.edu/pub/linux/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.uni-kl.de/pub/linux/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/ALL_primary_servers/rsync/mirrors.sec.informatik.tu-darmstadt.de/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.cs.rose-hulman.edu/gentoo-portage/sys-devel/gcc/
[DIR]  ftp://ftp.digitaltrust.it/ftp/gnu/gcc/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.freebsd.org/pub/FreeBSD/ports/local-distfiles/deischen/gcc/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-0/src/gnu/dist/gcc/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-0/src/gnu/dist/toolchain/gcc/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/NetBSD-release-3-0/src/gnu/usr.bin/gcc/
[DIR]  ftp://ftp.eq.uc.pt/pub/software/unix/gnu/gcc/
[DIR]  ftp://128.118.2.96/pub/.mirrors/1/ftp.netbsd.org/pub/NetBSD/packages/current-src/pkgsrc/lang/gcc/
[DIR]  ftp://130.75.2.22/pub/mirror/gnu/old-gnu/gcc/
[DIR]  ftp://130.75.2.22/pub/mirror/gnu/gnu/gcc/
[DIR]  ftp://aeneas.mit.edu/pub/gnu/gcc/
[DIR]  ftp://ftp.uni-heidelberg.de/pub/gnu/gcc/
[DIR]  ftp://130.75.2.22/pub/mirror/linux/opensuse/repositories/devel:/tools/gcc/
[DIR]  ftp://ftp.cesca.es/mirror2/gnu/gcc/
[DIR]  ftp://ftp.lanet.lv/pub/GNU/gcc/
[DIR]  ftp://ftp.cs.rpi.edu/mirrors/gnu/gcc/