Snapshot gcc-12-20210509 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20210509/
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 5e0236d3b0e0d7ad98bcee36128433fa755b5558

You'll find:

 gcc-12-20210509.tar.xz               Complete GCC

  SHA256=06f06a4d283b14262626a683f7c48958ae87b0a821e91131d8310f892c952e3c
  SHA1=38654ff2f16eb4a051ba3e0c8beba9c23b68eb65

Diffs from 12-20210502 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.