Snapshot gcc-12-20211205 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20211205/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.

This snapshot has been generated from the GCC 12 git branch
with the following options: git://gcc.gnu.org/git/gcc.git branch master revision c9419faef0bfaf31e6a6f744baa064892e0d105c

You'll find:

 gcc-12-20211205.tar.xz               Complete GCC

  SHA256=09f18173fd725e45313e184a0a0b06ef75ecc4096b21882586bb1652a6b5f358
  SHA1=b2f009859661df2b5bbf4a5995793e3d86b72bb6

Diffs from 12-20211128 are available in the diffs/ subdirectory.

When a particular snapshot is ready for public consumption the LATEST-12
link is updated and a message is sent to the gcc list.  Please do not use
a snapshot before it has been announced that way.