From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7E861385783A; Fri, 9 Oct 2020 07:31:57 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7E861385783A From: "hubicka at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/97292] [11 Regression] dealII from SPECCPU 2006 no longer terminates after g:c34db4b6f8a5d80367c709309f9b00cb32630054 Date: Fri, 09 Oct 2020 07:31:57 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: hubicka at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: hubicka at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 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: Fri, 09 Oct 2020 07:31:57 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97292 --- Comment #17 from Jan Hubicka --- And is it again the operator++ triggering the problem? It looks like aliasing bug to me, but in a template hell and -Wstrict-aliasing=3D3 is happy. The reason why parameter tracking is necessary seems to be the fact that we figure out some accesses from inner calls are local to the ++ operator and = do not consider them in a summary (that is correct)=