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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/69836] compilation error with constexpr in template types
 with redeclared methods
Date: Wed, 01 Feb 2023 20:21:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D69836

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
                 CC|                            |jason at gcc dot gnu.org
   Last reconfirmed|                            |2023-02-01

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #3)
> (In reply to Andrew Pinski from comment #2)
> > I wonder if this is just invalid code but no diagnostic required as sta=
te
> > changes inside the scope of TemplateObject.
>=20
> That is it needs to be reinterpret it after the parsing and needs to same
> inside the scope itself. Like types of the same name should stay the same=
 if
> used inside the class.

I have not considered that rule to apply to additional overloads.  Here, the
problem looks to be that we're re-calculating the type of w_counter inside =
the
function definition (where the current function is in the overload set) rat=
her
than using the actual parameter type (which is calculated before the current
function is in the overload set).=