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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/107525] propagate_const should not be using SFINAE on
 its conversion operators
Date: Fri, 04 Nov 2022 13:59:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107525

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
           Keywords|                            |rejects-valid
   Last reconfirmed|                            |2022-11-04
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Giuseppe D'Angelo from comment #0)
> So. ideally, the conversion operators should be using C++20 constraints, =
but
> of course that's not possible.

It's totally possible for C++20 mode.

I don't know how much motivation anybody has to do anything about this thou=
gh.=