The packages are taken from the 2022Q2 branch. These are built for
the 9.0 release, as is usual upstream, but all 9.x releases are binary
compatible.
There are a few other refactorings in this CL to make future maintenance
simpler.
Update golang/go#54773
Change-Id: I38a8eab1aabd9985771ac83da2e435e490b7e4b4
Reviewed-on: https://go-review.googlesource.com/c/build/+/428415
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
Run-TryBot: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Benny Siegert