Snapshot gcc-9-20210409 is now available on
  https://gcc.gnu.org/pub/gcc/snapshots/9-20210409/
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 9aeab5815df1ec52b1048a157ef243a4c45234b7

You'll find:

 gcc-9-20210409.tar.xz                Complete GCC

  SHA256=e96116f4b95c462f55299989984c087245040c0437a11f837e632ef6fa8263db
  SHA1=ada6282f4c123cc3e0d57cfa6676f6196f1a3cd3

Diffs from 9-20210402 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.