Snapshot gcc-12-20211003 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20211003/
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 d91056851c5c60f226e3192fb955d018b53eb66f

You'll find:

 gcc-12-20211003.tar.xz               Complete GCC

  SHA256=b9744f87e18a8c66119cffa8bdda1e91f7241f5387981939ae415b0bf7d743ed
  SHA1=cc3b5f6290a2506429850f1aa94568690b6e0167

Diffs from 12-20210926 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.