HEAD: the `impossible' happened, MacOS X

Volker Stolz vs at foldr.org
Thu Mar 20 07:19:14 EST 2003


On Thu, Mar 20, 2003 at 12:08:22PM +0000, Simon Marlow wrote:
> > System/Random.hs:15:
> >     Warning: Module `GHC.IOBase' is imported, but nothing 
> > from it is used
> > 	     (except perhaps instances visible in `GHC.IOBase')
> > ghc-5.05: panic! (the `impossible' happened, GHC version 5.05):
> > 	ASSERT failed! file stgSyn/CoreToStg.lhs line 188
> > randomIvalDouble1 {- v s2Im -}
> 
> Compiling the libraries without -O is not usually a good idea, but
> nevertheless the compiler shouldn't crash.  I'll take a look.

That's from the 'devl' template in build.mk. You're right, the problem
goes away when using -O!
-- 
Volker Stolz * http://www-i2.informatik.rwth-aachen.de/stolz/ * PGP * S/MIME



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