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 A580B3858413; Sun,  2 Oct 2022 09:47:41 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A580B3858413
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1664704061;
	bh=g+VL6lqzja8Zecb7sBnb00h2V06QPMoXMleIs+RTA5Q=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=ylRNCChieMsuG4RSUKyrXtyrURzGRw001agz37pmUtDmA78/LkO2T4Q2hekwsuvNV
	 zuHo9Nqx7OFgbqN7AQ0skyQv29OPQ8f1yNdvG/Vlj5ENQAdUvY7yraT23vvOb+8wjY
	 LfmU8mwvthDZ8/Bbvy8Ba+RH1Xirn2WKQRK1ipvU=
From: "jlame646 at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/107111] GCC accepts invalid program involving function
 declaration with pack expansion
Date: Sun, 02 Oct 2022 09:47:41 +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: 12.1.1
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: jlame646 at gmail dot com
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-107111-4-kAiqME2s1z@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-107111-4@http.gcc.gnu.org/bugzilla/>
References: <bug-107111-4@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=3D107111

--- Comment #5 from Jason Liam <jlame646 at gmail dot com> ---
Note also that gcc accepts `T v(V...b())` but rejects `T v(V...())`. Note t=
he
use of parameter name in the former. Demo: https://godbolt.org/z/hMevdc8TE=