Snapshot gcc-10-20211217 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/10-20211217/
and on various mirrors, see http://gcc.gnu.org/mirrors.html for details.

This snapshot has been generated from the GCC 10 git branch
with the following options: git://gcc.gnu.org/git/gcc.git branch releases/gcc-10 revision a28d6903677629c23bac53ff061eb80f22d51006

You'll find:

 gcc-10-20211217.tar.xz               Complete GCC

  SHA256=2fbc60bd75ca4a13fa18b976a31a10bd0f8a74204cbd1823f13c01f69f7572a6
  SHA1=f42d34ff681d2489ffc8f8c8fdea152d9fe8bf9e

Diffs from 10-20211210 are available in the diffs/ subdirectory.

When a particular snapshot is ready for public consumption the LATEST-10
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.