Plan for GHC 9.2

[Sebastian Graf]

Hi,

Since my hopes of finally merging Nested CPR have recently been crushed
again, I hope that we can include the implementation of the
UnliftedDatatypes extension (proposal
<https://github.com/ghc-proposals/ghc-proposals/blob/master/proposals/0265-unlifted-datatypes.rst>,
implementation <https://gitlab.haskell.org/ghc/ghc/-/merge_requests/2218>).
It was on ice since it depends on the BoxedRep proposal, but if BoxedRep is
going to make it, surely UnliftedDatatypes can make it, too.
I expect quite a few bugs, simply because I don't have much code to test it
on yet. But I'm very confident that existing code isn't impacted by that,
as most of the functionality (CodeGen for unlifted types, most importantly)
was already there and I only had to refine a conditional here and there.

Cheers,
Sebastian

Am Mi., 10. Feb. 2021 um 18:42 Uhr schrieb Ben Gamari <ben at well-typed.com>:

> Roland Senn <rsx at bluewin.ch> writes:
>
> > I hope ticket #19157 will make it in the GHC 9.2 release. In the GHCi
> > debugger it adds the possibility to set ignore counts to breakpoints.
> > The next <count> times the break point is reached the program's
> > execution does not stop. This feature is available in nearly every
> > debugger, but until now not yet in the GHCi debugger.
> > Merge request !4839 is ready for review  (and it's NOT rocket
> > science...)
> >
> Indeed, this seems quite reasonable. I don't see any reason why we
> shouldn't be able to get it in to 9.2.1.
>
> Cheers,
>
> - Ben
>
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