> Here's another one, using GHC 5.02
>
> [ian@urchin current]$ cat W.lhs
>
> > module Main where
>
> > main :: IO()
> > main = putStrLn $ show $ last [1..100000]
>
> [ian@urchin current]$ ghc W.lhs -prof -auto-all -o W
> [ian@urchin current]$ ./W +RTS -h
> 100000
> [ian@urchin current]$ ./W +RTS -c
> 100000
> [ian@urchin current]$ ./W +RTS -h -c
> Segmentation fault (core dumped)
> [ian@urchin current]$
The compacting collector is currently incompatible with
single-generation GC (i.e. -G1), and the heap profiler automatically
turns on -G1. We added a test to automatically disable compaction in
the presence of -G1, but the patch got overlooked during the run-up to
the release of 5.02 and never made it into the stable branch.
The workaround is "don't do that" :-)
Cheers,
Simon
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