> On Fri, Apr 09, 2004 at 03:27:01PM +0200, David Sabel wrote:
>
> > you can turn off let-floating by compiling without optimizations,
> > i.e. without using a -O flag or using -O0 explicitly.
> > The disadvantage is that most of all other optimizations
> > are turned off too.
>
> That is exactly what I'm doing at the moment. The module that has the
> nasty impure bits in it is not compiled with optimisations.
> I will improve this when GHC regains the non-let floating flag.
If you need -ffull-laziness to force a certain behaviour when using
unsafePerformIO, I say that what you're doing is at the very least
unsupported ;-) However, there are occasoinally good uses for this:
HOOD is one; I imagine your case is similar?
Cheers,
Simon
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