> On Sun, Sep 30, 2001 at 03:29:44PM +0100, Ian Lynagh wrote:
> >
> > $ ghc -O -fvia-C -O2-for-C -Wall -package lang -prof -auto
> -c -o Tokens.o Tokens.lhs
> > $ ghc -O -fvia-C -O2-for-C -Wall -package lang -prof -auto
> -c -o IA.o IA.lhs
> > ghc-5.00.2: panic! (the `impossible' happened, GHC version 5.00.2):
> > Oversize heap check detected. Please try compiling with -O.
> >
> > Please report it as a compiler bug to
> [EMAIL PROTECTED],
> > or http://sourceforge.net/projects/ghc/.
>
> Just tried with 5.02 and the same thing happens:
>
> ghc-5.02: panic! (the `impossible' happened, GHC version 5.02):
> Oversize heap check detected. Please try compiling with -O.
This is a known bug, but thanks for reporting it anyway. The workaround
is as suggested, try compiling with -O. It tends to happen particularly
when a module contains a large static data structure.
The problem is that this is a particularly nasty bug to fix - I've
already had one go at it and failed :-( At least now the compiler
panics, it used to generate code that would go into an infinite loop!
We *will* get around to fixing it properly, probably sometime in the
next few months.
Cheers,
Simon
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