gcc-announce is a
read-only low volume list where we post announcements about releases or other
important events.
gcc is a high volume list for
general development discussions about gcc. Anything not covered by other
mailing lists is suitable for discussion on gcc.
gcc-help is a relatively high
volume list for people searching for help in building gcc.
gcc-bugs is a relatively high
volume list for bug reports and general discussion about bugs in gcc.
gcc-patches is a
relatively high volume list for patch submissions and discussion of particular
patches. All patch submissions and all discussion for a particular patch should
be sent to gcc-patches.
gcc-testresults is a
moderate volume list where test results for the gcc compilers are posted.
binutils is a mailing list
that talks about the binary utilties (assembler, linker, disassembler, etc.).