Snapshot gcc-12-20210613 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20210613/
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 681143b9b94d7f1c88a7c34e2250865c31191959

You'll find:

 gcc-12-20210613.tar.xz               Complete GCC

  SHA256=af053fe0ffebc344ba9b9cfa8c5f96ae594dfc44ceb0eb615c24aafe88e9f442
  SHA1=ee3d81ca83b1729a5fff59254092ac5c8cdeb7be

Diffs from 12-20210606 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.