Snapshot gcc-12-20210822 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20210822/
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 972eab51f53d1db26864ec7d62d40c2ff83407ec

You'll find:

 gcc-12-20210822.tar.xz               Complete GCC

  SHA256=7c43fbd1ab1d90f59812a34fe1412911e9cd8ac06462e0e7cf00a9ef90106058
  SHA1=2cd2229016d1fddd5900394111dcf5ed2158108b

Diffs from 12-20210815 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.