OT (partially): about promotion of integers

[Isaac Gouy]

On Tuesday, 11 December 2012 at 23:59:29 UTC, bearophile wrote:

-snip-

> But as usual you have to take such comparisons cum grano salis, 
> because there are a lot more people working on the GHC compiler 
> and because the Shootout Haskell solutions are quite 
> un-idiomatic (you can see it also from the Shootout site 
> itself, taking a look at the length of the solutions) and they 
> come from several years of maniac-level discussions (they have 
> patched the Haskell compiler and its library several times to 
> improve the results of those benchmarks):
>
> http://www.haskell.org/haskellwiki/Shootout


I looked at that haskellwiki page but I didn't find anything to 
suggest -- "they have patched the Haskell compiler and its 
library several times to improve the results of those benchmarks"?

Was it something the compiler writers told you?