Snapshot gcc-12-20220327 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20220327/
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 08e69332881f8d28ce8b559ffba1900ae5c0d5ee

You'll find:

 gcc-12-20220327.tar.xz               Complete GCC

  SHA256=1d9f8b8f7f3521300aaff34ab8a3cff0fe8c45c4ae659b08af5b077d5e4ceb3e
  SHA1=f11be72db26a9393691201dd12e8423859a2c94b

Diffs from 12-20220320 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.