From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 36EFB3858C83; Mon, 21 Mar 2022 09:31:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 36EFB3858C83 From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/104986] [12 Regression] bogus writing 1 byte into a region of size 0 with -fwrapv and -O2 -fpeel-loops since r12-4698-gf6d012338bf87f42 Date: Mon, 21 Mar 2022 09:31:54 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org 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: 12.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status short_desc cc cf_reconfirmed_on everconfirmed 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, 21 Mar 2022 09:31:54 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104986 Martin Li=C5=A1ka changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Summary|[12 Regression] bogus |[12 Regression] bogus |writing 1 byte into a |writing 1 byte into a |region of size 0 with |region of size 0 with |-fwrapv and -O2 |-fwrapv and -O2 |-fpeel-loops |-fpeel-loops since | |r12-4698-gf6d012338bf87f42 CC| |aldyh at gcc dot gnu.org, | |marxin at gcc dot gnu.org Last reconfirmed| |2022-03-21 Ever confirmed|0 |1 --- Comment #1 from Martin Li=C5=A1ka --- Started with r12-4698-gf6d012338bf87f42.=