patch applied (ghc): Add and use seqBitmap when constructing SRTs

[Ian Lynagh]

On Fri, Feb 29, 2008 at 09:58:25AM +0000, Simon Marlow wrote:
> Ian Lynagh wrote:
> >Wed Feb 27 06:45:05 PST 2008  Ian Lynagh <igloo at earth.li>
> >  * Add and use seqBitmap when constructing SRTs
> >  This roughly halves memory usage when compiling
> >      module Foo where
> >  
> >      foo :: Double -> Int
> >      foo x | x == 1 = 1
> >      ...
> >      foo x | x == 500 = 500
> >  without optimisation.

Oh, just to clarify: This fixes a different space problem to the one
that I talk about in http://hackage.haskell.org/trac/ghc/ticket/783
comment 11.


Thanks
Ian