Sorry if you get two of these messages (having some email client problems :) )!

Hi Ben,

On Tue, Mar 5, 2019 at 3:53 PM Ben Gamari <ben@well-typed.com> wrote:

Hello everyone,

The GHC team is very happy to announce the availability of GHC 8.6.4, a
bugfix release in the GHC 8.6 series.

There doesn't seem to be a ghc-8.6.4-release tag of http://git.haskell.org/ghc.git? Can you advise me on a magic invocation that would let me get a checkout of the repository at the release SHA?

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