From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 09006383D03F; Wed, 30 Jun 2021 04:22:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 09006383D03F From: "johnnybit at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/101262] GCC11 OpenMP optimization causes sigsegv on aligned constant array in darktable Date: Wed, 30 Jun 2021 04:22:14 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: johnnybit at gmail dot com X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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: Wed, 30 Jun 2021 04:22:15 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101262 --- Comment #4 from Hubert Kowalski --- I tried to generate a reproducer based of off code that in linked reports is "guaranteed to crash" when compilled with GCC 11. My feel is that since it doesn't work in isolation there's more moving parts to it. Common points in linked reports are: same piece of code crashes when compilled with GCC11, RelWithDebInfo target and the same code works correct when compilled with g= cc 10.=