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 0C2033857C66; Wed, 14 Jun 2023 14:04:13 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0C2033857C66
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1686751453;
	bh=9J+igbxjFjpu3ZFi2QYxjHBKUJ+lhG5qQGEYOvKmZA4=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=j+6KeTTMOCVmNWTTyo7JDJF/QOruKPdk4fK5lJgFaSyUwktPptTMPerUtlpjvgpAn
	 vjov415UcnApNlDcqHzv2kuQtx4DKtW/TS1RviT/xaUACkRdT/PX28QIL5/YWlqEUI
	 vMOTcaRkYkWqHomGdUFspuLG8oCMMzcvPOUL6dDA=
From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/86521] [8 Regression] GCC 8 selects incorrect overload of
 ref-qualified conversion operator template
Date: Wed, 14 Jun 2023 14:04:11 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: c++
X-Bugzilla-Version: 8.0
X-Bugzilla-Keywords: rejects-valid
X-Bugzilla-Severity: normal
X-Bugzilla-Who: cvs-commit at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: jason at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 8.4
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-86521-4-OckK0knmz6@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-86521-4@http.gcc.gnu.org/bugzilla/>
References: <bug-86521-4@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=3D86521

--- Comment #18 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Jason Merrill <jason@gcc.gnu.org>:

https://gcc.gnu.org/g:4ec6b627cb008e31ea3d1ee93a209297f56c6a3e

commit r14-1810-g4ec6b627cb008e31ea3d1ee93a209297f56c6a3e
Author: Jason Merrill <jason@redhat.com>
Date:   Fri Mar 3 15:04:25 2023 -0500

    c++: tweak c++17 ctor/conversion tiebreaker [DR2327]

    In discussion of this issue CWG decided that the change of behavior on
    well-formed code like overload-conv-4.C is undesirable.  In further
    discussion of possible resolutions, we discovered that we can avoid that
    change while still getting the desired behavior on overload-conv-3.C by
    making this a tiebreaker after comparing conversions, rather than befor=
e.
    This also simplifies the implementation.

    The issue resolution has not yet been finalized, but this seems like a
clear
    improvement.

            DR 2327
            PR c++/86521

    gcc/cp/ChangeLog:

            * call.cc (joust_maybe_elide_copy): Don't change cand.
            (joust): Move the elided tiebreaker later.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp0x/overload-conv-4.C: Remove warnings.
            * g++.dg/cpp1z/elide7.C: New test.=