Reason for fixing minimum bootstrap version at 2 major releases ago?

Shea Levy shea at
Tue Dec 13 17:48:25 UTC 2016

Hi all,

I'm wondering, why do we require ghc to be bootstrappable with the past
2 major releases instead of just the past 1? Is it a common case that
someone is compiling GHC but can't easily get the latest release?

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