From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 040BE3857C72; Tue, 1 Sep 2020 02:47:03 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 040BE3857C72 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1598928424; bh=pbABA/frFK+tt8sKByxUJQWsKL0a7DEIMnajKz6cVTg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oITGyfSAUneTHDIV+DWP14PCMpJqaR16gfjNPLs0UJ0TzikHiqy4EGpnBS47QKnkg gdarLVkojjtp7D4jAsBeGXcRftrs6lPq4J2ctPVvYjBDj+4/XZAOWeMS815g/Y4FYb 8x2SUn4wjM8OlYej2CgIm9vmb8qStCPXB1lr8lVI= From: "matt at godbolt dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/96868] C++20 designated initializer erroneous warnings Date: Tue, 01 Sep 2020 02:47:03 +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: 10.2.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: matt at godbolt dot 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: 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: Tue, 01 Sep 2020 02:47:04 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96868 --- Comment #2 from Matt Godbolt --- Thanks: I was confused (as I think will many folks be). The examples for designated initialisers in C++20 on cppreference cite this behaviour as bei= ng useful^. Of course I understand it can be misused, and this indeed a non-default warning. Thanks for taking the time to reply! --matt ^: https://en.cppreference.com/w/cpp/language/aggregate_initialization#Designa= ted_initializers=