Snapshot gcc-9-20211028 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/9-20211028/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.

This snapshot has been generated from the GCC 9 git branch
with the following options: git://gcc.gnu.org/git/gcc.git branch releases/gcc-9 revision 9f5ce97030c541227f00588b3858de63f7ec1dad

You'll find:

 gcc-9-20211028.tar.xz                Complete GCC

  SHA256=a5c5441071758b15ff93783c7dbfeb5ae244b95c75f062166897edec70539590
  SHA1=98428b19537b3d795562913219065f25ac5de54c

Diffs from 9-20211021 are available in the diffs/ subdirectory.

When a particular snapshot is ready for public consumption the LATEST-9
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.