Re: bus error in Integer calculations

I'm not a GHC developer but I think you should report a bug here: https://ghc.haskell.org/trac/ghc/wiki/ReportABug I've done it a couple of times and if you provide a reproducible test case it will usually get looked at at some point. Managing all the bugs on a mailing list would be a nightmare.

bus error in Integer calculations

I have this little demo which I use for sixth formers which includes calculating in fairly rapid order the sum of the digits of the 10^9th Fibonacci number. (I haven't got enough physical memory to do the same for the 10^10th number without thrashing...) It fell over on a flashy new macbook I

Re: Stack traces in ghci

I created a ticket: https://ghc.haskell.org/trac/ghc/ticket/12946 On 7 December 2016 at 16:37, wrote: > Hi Simon, > > Thanks for getting back. > > 1. Without -prof and -fexternal-interpreter, the program runs fine. > > 2. With just -prof, the program runs fine. > > 3. With