[Haskell-cafe] Somewhat random history question - chicken and egg

Brent Yorgey byorgey at gmail.com
Sun Nov 11 07:43:34 EST 2007

> GHC can be compiled with GHC 5.0 (or something around there). If they
> add a new feature, they don't use it in GHC for years and years.

*Can* be compiled with GHC 5.0, or *is* compiled?
http://haskell.org/ghc/docs/6.8.1/html/users_guide/release-6-8-1.html says
that the pointer tagging in 6.8.1 improves most code by 10-15%, "and as a
result the compiler is also faster", implying that ghc-6.8.1 is used to
compile itself.  I'm just curious.

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