From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id D1DD73858D33; Tue, 31 Jan 2023 21:21:50 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D1DD73858D33
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1675200110;
	bh=WI2SqWIJSAbtYG69cSZwJMYhzKFKVGmw3EstP8yDPhM=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=ApebKBluJD2kGMn5mqcvpc0lgnq2uyFiHtJZOXXB6Kag+/WM9swEcpuWUVokQ0SFZ
	 0aDZISyKTWb6hJp7ndNKxTpgjF3Inmlr9AJG7rxIe1zCeoww2pAqQ4esR/rq/pI0A+
	 T3qL1ryzCw4dEFEa7X+r4/jYkj3WaPgQUN1pHPaM=
From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/108619] Compilation error if the construct method of
 the allocator isn't implemented and the detructor of value_type is private
Date: Tue, 31 Jan 2023 21:21:50 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 12.2.1
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-108619-4-x9WIaaZeLu@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-108619-4@http.gcc.gnu.org/bugzilla/>
References: <bug-108619-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108619

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to gccbugzilla from comment #3)
> (In reply to Andrew Pinski from comment #2)
> > Once I add:
> >=20
> >         template <class Type> struct rebind {
> >             typedef alloc<Type> other;
> >         };
> >=20
> > To alloc, it works correctly.
> > The error message on the trunk gives the best error message of what is =
going
> > wrong even.
> > So this is invalid.
>=20
> I just tried, but apparently it doesn't work
> (https://godbolt.org/z/ehhzYd5Wo)
>=20
> Have I misinterpreted your response? Also rebind is too optional, it's st=
ill
> a bug if it doesn't compile without it.

I missed -std=3Dc++20 part before. The rebind fixes the compiliation issue
without -std=3Dc++20 ....=