Snapshot gcc-9-20211007 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/9-20211007/
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 271747b484b57e46fca7feb1222e68c54e9287d1

You'll find:

 gcc-9-20211007.tar.xz                Complete GCC

  SHA256=42bccdf3ce34571930223f6e4c1835e9fd0873a7eb91852d1fd87627312cc472
  SHA1=1bfccef2e441f5563d85b7690dcfe48b58ce7d7f

Diffs from 9-20210930 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.