From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6F2A03858417; Wed, 15 Feb 2023 10:39:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6F2A03858417 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1676457550; bh=GlEww8SjuKdrMDpDlWg91pV3VdcZaKuUMtRd5c6gDK0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=EtSCDZQtgi74fZUVng/n+knBdLIYwaUypSsRbvjf0TROz7pck0Jo2IOcsFd3mMBfZ Ft3BcTEjxg9uq8dRTiFfOyqj7hA6ob4Wxd//JzNkObzuGvwAI7tmJRuPlz2Huu+5Ui wjVzXnCnaiYYogJxEH3HyJ8IAl6kVeYX5ZdwfO2I= From: "marxin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/108718] [10/11/12/13 Regression] csmith: possible bad code with -O2 Date: Wed, 15 Feb 2023 10:39:10 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: marxin at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 10.5 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108718 --- Comment #10 from Martin Li=C5=A1ka --- (In reply to David Binderman from comment #9) > Created attachment 54463 [details] > C source code >=20 > After a further hour of reduction, a partially reduced program. >=20 > cvise doesn't seem able to make much further progress with it. However, I see a segfault that happens for the code snippet now.=