atMost in GHC.Event.PSQ causes seqfault or bus error
Ian Lynagh
ian at well-typed.com
Fri May 31 16:30:10 CEST 2013
Hi Kazu,
On Fri, May 31, 2013 at 03:16:22PM +0900, Kazu Yamamoto wrote:
>
> After a long fight, I found that this is a bug of the "-O2" option of
> GHC head on 32bit machine. Now, it is easy to reproduce this
> segfault. Please read and try this:
>
> https://github.com/kazu-yamamoto/buggy-psq
Great, thanks for your work in boiling this down! I've filed a ticket
for it here:
http://hackage.haskell.org/trac/ghc/ticket/7953
Thanks
Ian
--
Ian Lynagh, Haskell Consultant
Well-Typed LLP, http://www.well-typed.com/
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