From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 432EF3874C1D; Mon, 15 Feb 2021 08:29:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 432EF3874C1D From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/99085] [10/11 Regression] ICE: verify_flow_info failed (error: multiple hot/cold transitions found) Date: Mon, 15 Feb 2021 08:29:47 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc priority everconfirmed bug_status short_desc cf_reconfirmed_on 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, 15 Feb 2021 08:29:47 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99085 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |jakub at gcc dot gnu.org Priority|P3 |P2 Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Summary|[11 Regression] ICE: |[10/11 Regression] ICE: |verify_flow_info failed |verify_flow_info failed |(error: multiple hot/cold |(error: multiple hot/cold |transitions found) |transitions found) Last reconfirmed| |2021-02-15 --- Comment #1 from Jakub Jelinek --- I can reproduce the ICE also with gcc 10: /usr/src/gcc-10/obj12/gcc/cc1 -quiet -O2 -fgraphite-identity -fsel-sched-pipelining -fselective-scheduling2 /tmp/pr99085.c /tmp/pr99085.c: In function =E2=80=98foo=E2=80=99: /tmp/pr99085.c:16:1: error: multiple hot/cold transitions found (bb 15) 16 | } | ^ /tmp/pr99085.c:16:1: error: multiple hot/cold transitions found (bb 11) during RTL pass: stack /tmp/pr99085.c:16:1: internal compiler error: verify_flow_info failed but can't with gcc 9. As it is with graphite, can't bisect (easily) myself though.=