BoxedRep UNPACK pragma

[Brandon Allbery]

The warning sounds correct to me: `Maybe` has two constructors?

On Sat, Aug 12, 2023 at 10:25 AM Alan & Kim Zimmerman
<alan.zimm at gmail.com> wrote:
>
> I have seen the following warning on master for some time
>
> compiler/GHC/Core/TyCon.hs:1540:5: warning:
>     • Ignoring unusable UNPACK pragma
>         on the first argument of ‘BoxedRep’
>     • In the definition of data constructor ‘BoxedRep’
>       In the data type declaration for ‘PrimRep’
>      |
> 1540 |   | BoxedRep {-# UNPACK #-} !(Maybe Levity) -- ^ Boxed, heap value
>      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>
> Is it something that needs to be fixed? Can the code be updated to remove the warning?
>
> Alan
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-- 
brandon s allbery kf8nh
allbery.b at gmail.com