Snapshot gcc-9-20211216 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/9-20211216/
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 6fa3bbe854f8a9066c390b802e6a69ef463ede7c

You'll find:

 gcc-9-20211216.tar.xz                Complete GCC

  SHA256=677e98e62d2bb4275c958b3ce6ecec3e1f9f88086bf6d7047579b94e943206d2
  SHA1=a808fa464370009498cf9d13098f60207a42ac83

Diffs from 9-20211209 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.