Prevent optimization from tempering with unsafePerformIO

[Don Stewart]

bbr:
> Hello,
> 
> I am writing a compiler from the functional logic language Curry to
> Haskell. As the result is a real extension of Haskell, there has to be
> SOME side effect involved. Unfortunately, this seems to prevent me from
> using any of ghc's optimizations on the resulting code. I have tried for
> some time to invoke the no-inline pragmata, but they seem to have no
> effect at all. Recently at ICFP, Neil Mitchell told me that there
> definitely is a way to avoid this problem. But does anybody know how?
> 
> Thanks for your help!
> Bernd Brassel

Can you give a specific example of what you have tried to do, and how it
failed?

Thanks,
   Don