Snapshot gcc-12-20210523 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20210523/
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 c01c4331112aaf45f0de20ed8883dbeab83ed896

You'll find:

 gcc-12-20210523.tar.xz               Complete GCC

  SHA256=04f0e2ffc3245d6ff596d6beeefb865b8a9e09aa36f79d98a2eaecd645854409
  SHA1=c0866ff74f738d865ce0f2a05b88f39647e2d043

Diffs from 12-20210516 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.