From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 01C13385AC24; Tue, 6 Sep 2022 08:36:11 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 01C13385AC24 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1662453372; bh=XL9QNbAUwQt54jjcOCTNSNhDECldMwzRyqlqrww3fic=; h=From:To:Subject:Date:In-Reply-To:References:From; b=f1H01fm278/84Kj5Q6AMlARCDROBdUPyLm+TT3pJbpoYz6pbruFyZ/eosGZuhk7zm /ItKy3gXBJamU+JO4UDDc5u7DF+e+lAaMHB7pXN2uO7ko6ctISI82D4PqHPsPBSxm6 XKyJmwzQ2YuBorcrw5I9d3UFCt1ymCmceSUPGzrU= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/106842] [12/13 Regression] misleading warning : iteration X invokes undefined behavior Date: Tue, 06 Sep 2022 08:36:11 +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: 12.2.1 X-Bugzilla-Keywords: diagnostic, missed-optimization, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth 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: 12.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: short_desc 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=3D106842 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[12 Regression] misleading |[12/13 Regression] |warning : iteration X |misleading warning : |invokes undefined behavior |iteration X invokes | |undefined behavior --- Comment #5 from Richard Biener --- And for sure the cited rev. doesn't fix anything, in fact it should not have caused less threading.=