From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id ED5D9386EC25; Wed, 2 Sep 2020 09:08:46 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org ED5D9386EC25 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1599037726; bh=d7baCSwW5AnURYVi8jCAFYagarys4AP8wxsX9UoP4gc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=jZEQr//M6dZrJGHBxgJn769s/7BeDFoc4XoO4blCLtqi4prDZcoSLD8ww9XoPwX5x la0YuJO4FhiHA+L6Pr7faSCrOK4A4Zxjj1tv+AUNdaygYzQcSOz4Ok8sXthdihZYdE OEs/vWnV0lezKQHjHWRQy65FTcfTGTGdtV0Isp6w= From: "redi at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/96851] operator< on std::array does not work in constexpr, for sizeof(T) == 1, and N > 1 Date: Wed, 02 Sep 2020 09:08:46 +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: 10.1.0 X-Bugzilla-Keywords: rejects-valid X-Bugzilla-Severity: normal X-Bugzilla-Who: redi at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: redi at gcc dot gnu.org X-Bugzilla-Target-Milestone: 10.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Sep 2020 09:08:47 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96851 --- Comment #2 from Jonathan Wakely --- The instructions at https://gcc.gnu.org/bugs are clear about providing the commands used to compile, please remember to state that you used -std=3Dc++= 20 (a godbolt URL is not sufficient). The branch using memcmp shouldn't be used during constant evaluation, but it also shouldn't be used for signed chars, so I'll fix that too.=