From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id AF7E13857C61; Mon, 8 Feb 2021 18:44:09 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org AF7E13857C61 From: "hjl.tools at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/98997] Linking mismatched -fcf-protection objects generates incorrect code Date: Mon, 08 Feb 2021 18:44:09 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 10.2.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail 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: Mon, 08 Feb 2021 18:44:09 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98997 --- Comment #6 from H.J. Lu --- (In reply to Andy Lutomirski from comment #4) > I should add: on brief inspection, that patch looks like an ABI break for > -fcf-protection=3Dnone True if __builtin_longjmp and __builtin_setjmp are compiled by different compilers.=