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<p>On a whim tried enabling it by default but it failed first
because GeneralizedNewtypeDeriving is incompatible with safe
haskell<br>
and once I disabled GeneralizedNewtypeDeriving it failed with some
error about missmatched kinds.<br>
<br>
I would welcome a patch doing this, but it's not a priority.
Especially since it doesn't seem to be as simple as changing<br>
the base language and removing some pragmas.<br>
</p>
<div class="moz-cite-prefix">Am 07/12/2023 um 14:29 schrieb Arnaud
Spiwack:<br>
</div>
<blockquote type="cite"
cite="mid:CAGwnsnnpzPxhOWks-C+GnQ4=rZ5-j4R+QCP_C4hvRPVb-w19oQ@mail.gmail.com">
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<div>Indeed. I didn't realise the ambiguity in my wording.</div>
<div><br>
</div>
<div>I'd like for GHC to be built, with Hadrian, using GHC2021
as the base language.<br>
</div>
<br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Thu, 7 Dec 2023 at 14:01,
Tom Ellis <<a
href="mailto:tom-lists-haskell-cafe-2023@jaguarpaw.co.uk"
moz-do-not-send="true" class="moz-txt-link-freetext">tom-lists-haskell-cafe-2023@jaguarpaw.co.uk</a>>
wrote:<br>
</div>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On
Thu, Dec 07, 2023 at 12:53:02PM +0000, Richard Eisenberg
wrote:<br>
> I think this is an excellent idea! So excellent, that
we've already done it. :)<br>
> <br>
> When I try to compile with GHC 9.6.2 (what I have lying
around), GHC2021 is in effect.<br>
> <br>
> Is there something different you were thinking of?<br>
<br>
I think Arnaud meant that compilations of GHC's codebase
itself should<br>
use the GHC2021 setting.<br>
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<br>
<span class="gmail_signature_prefix">-- </span><br>
<div dir="ltr" class="gmail_signature">
<div dir="ltr">Arnaud Spiwack<br>
Director, Research at <a href="https://moduscreate.com"
rel="noopener noreferrer" target="_blank"
moz-do-not-send="true" class="moz-txt-link-freetext">https://moduscreate.com</a>
and <a href="https://tweag.io" rel="noopener noreferrer"
target="_blank" moz-do-not-send="true"
class="moz-txt-link-freetext">https://tweag.io</a>.</div>
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