Snapshot gcc-12-20210516 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/12-20210516/
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 4a322345cab10879162a2ddf659fb0f873ba0182

You'll find:

 gcc-12-20210516.tar.xz               Complete GCC

  SHA256=411f2e5ea6e4f3f38c28bf069bc3cea6a40449e14453c914953873a7c35f6674
  SHA1=bf7f0f6d9c0d5737c8dd3a9534d8cfd4d9a22774

Diffs from 12-20210509 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.