Proposal: EPHEMERAL pragma

[Johan Tibell]

Interesting idea.

On Thu, Oct 25, 2012 at 6:56 AM, José Pedro Magalhães <jpm at cs.uu.nl> wrote:
> 3. Emit a warning if the generated core code still contains uses of Rep.

I think this part will be really annoying, as GHC might end up
generating warnings that the programmer can do nothing about (because
some optimization failed to remove Rep).

-- Johan