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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/112288] [11/12/13/14 Regression] ICE - internal compiler
 error: in instantiate_decl, at cp/pt.cc:26861
Date: Mon, 30 Oct 2023 18:03:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112288

--- Comment #6 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #5)
> (In reply to Fabio Alemagna from comment #4)
> > (In reply to Marek Polacek from comment #2)
> > > Confirmed.  Started with r6-6830-g20a0c6f9bdbd78:
> > >=20
> > > commit 20a0c6f9bdbd781ed5d413a10a06764a174dc394
> > > Author: Patrick Palka <ppalka@gcc.gnu.org>
> > > Date:   Mon Feb 8 23:02:50 2016 +0000
> > >=20
> > >     Fix PR c++/69283 (auto deduction fails when ADL is required)
> > >=20
> > > but reverting that fix doesn't make the ICE go away.
> >=20
> > That seems waaaay to old to be the cause of the issue.
> >=20
> > As said, it works with v13.2.1
>=20
> Note the trunk has extra checkings enabled compared to a release if not
> configured with `--enable-checking=3Drelease` so you might be seeing that
> effect here.

That's right.  Trunk configured with --enable-checking=3Drelease doesn't IC=
E,
either.=