From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id AE4843857BA1; Tue, 12 Jul 2022 19:35:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AE4843857BA1 From: "dcb314 at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug preprocessor/106272] clang build: new warning ? Date: Tue, 12 Jul 2022 19:35:27 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: preprocessor X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dcb314 at hotmail dot com X-Bugzilla-Status: NEW 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, 12 Jul 2022 19:35:27 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106272 --- Comment #2 from David Binderman --- I just noticed similar four lines earlier: libcpp/include/line-map.h:1876:12: warning: moving a temporary object preve= nts copy elision [-Wpessimizing-move] Source code is return std::move (label_text (const_cast (buffer), false)); About 700 mentions of this one, as well.=