On 6/19/07, Thomas Shackell <shackell@cs.york.ac.uk> wrote:

Neil Mitchell wrote:
> The one question you are bound to ask shortly is why we use
> ReversedPackedStrings, rather than PackedStrings in some cases - and
> the answer to that is there is no good reason. In the work if you fix
> all the cases where we have Reversed strings to normal strings that
> would be great!

Though I can't recommend trying! Packed strings appear all over the
compiler, sometimes reversed, sometimes not, intermixed with code that
either assumes 'reversed-ness' or doesn't. It would be seriously hard
work to change :-)

Well I think I've run into this problem...maybe. All but one of the tests pass, the one that doesn't is the timeLargeArray test, and it fails with this error
yhc: superclassesI InfoUsed (Id 68) [(Type class,Ord,"Data.Ix",510:8-510:10)]
Now my main question is how some PackedStrings can be reversed and others not when it looks like everything that uses PackedString imports it from SysDeps? The only exception I could find was compiler98/DotNet/Show.hs.