Snapshot gcc-9-20210108 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/9-20210108/
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 6fab822465a941e0f7c0861f34a76067d64c801c

You'll find:

 gcc-9-20210108.tar.xz                Complete GCC

  SHA256=cd0b73dd53d4f9304e4f81d48cb9e02b6dbad360b3272e1c5ab1dbd30196d0f4
  SHA1=3e9c7c7056b7340cb38e3f51046c8a76ee1476b1

Diffs from 9-20210101 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.