From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B24453851402; Thu, 3 Feb 2022 12:10:23 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B24453851402 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/104356] [12 Regression] divide by zero trap is being removed now when it should not be in some cases Date: Thu, 03 Feb 2022 12:10:23 +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: 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: 12.0 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: Thu, 03 Feb 2022 12:10:23 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104356 --- Comment #24 from Richard Biener --- (In reply to Eric Botcazou from comment #22) > > So we'd add > >=20 > > (!flag_non_call_exceptions || tree_expr_nonzero_p (@..)) > >=20 > > to the offending and extra listed match.pd transforms. I guess that wo= rks > > for me. >=20 > For me as well. Oh, with the little detail that it should be cfun->can_throw_non_call_exceptions (with the unfortunate reference to cfun)=