Snapshot gcc-12-20211031 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20211031/
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 ca84f39399fda80c770306465276ffd66d3766ed

You'll find:

 gcc-12-20211031.tar.xz               Complete GCC

  SHA256=ff00aee21d003bcc542896551a99adf0b0ccd935d85e96886d6d886c0dc3a3cc
  SHA1=c5499a3bee10572c290ead3e140647335ee004cd

Diffs from 12-20211024 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.