[Haskell-cafe] GHC optimisations

[Derek Elkins]

On Thu, 2007-08-23 at 10:17 +1000, Donald Bruce Stewart wrote:
> overdrigzed:
> > > Using the fromInteger (and fromRational) axioms should only *increase*
> > > precission, I don't see how that is such a bad thing.
> > 
> > I think it's bad if the behaviour of your program depends on the
> > optimisation level.
> > 
> 
> Isn't this how the thread started?
> 
>     $ gcc     t.c -o a
>     $ ./a 100000000
>     zsh: segmentation fault (core dumped)  ./a 100000000
> 
>     $ gcc -O3 t.c -o b
>     $ ./b 100000000 
>     987459712

Don't make me pull out sum.