From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CCF553858032; Wed, 22 Feb 2023 17:52:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CCF553858032 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1677088344; bh=nQ35AUyncD2GaBdiLy3lRQf3A742zfqdHEp7DTu3K2Q=; h=From:To:Subject:Date:In-Reply-To:References:From; b=lTueVg2XB3bFpP+xFO59cirTcH6+8Sh0K/pmhnNeWLAA1m9TSJ2PkO6lyesWs3Awk gnFGKsoSf1QwvS2ZDap5oAbXieS1DyZq31gMA3T3F5gRBQN37LpoX7xCe8RhckhE7T v1jDJ2hqwCp6IfN1nKg98isFEyPws1C+QDb1Qh/M= From: "redi at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/105329] [12/13 Regression] Bogus restrict warning when assigning 1-char string literal to std::string since r12-3347-g8af8abfbbace49e6 Date: Wed, 22 Feb 2023 17:52:22 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: diagnostic, missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: redi at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105329 --- Comment #29 from Jonathan Wakely --- It adds a new symbol to the library, which is not usually considered an ABI change, because it's backwards compatible. Compiling with a new GCC and lin= king to an old libstdc++ is never supported anyway.=