From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A58723858438; Tue, 16 Jan 2024 08:46:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A58723858438 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1705394801; bh=0HDooptWISTazfWzxPAXZQ2BCiFoDI0S6ybca0CPXhc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=IgQTKaqtnIzxoETtaqR6QlDALiXuyfqXnVxaHFsqG+6Em4WnR0u6eQA4JJ51XbekG KKKFqGNmD6f/50kbBh/6btcwuoUlAguv+TE1r97Qiu+QwsadvsfvjA459KjEH3B7Wu YJlWeAwFmbZW/KFYqNvGKQ81PYW9m0DESiNMUoZQ= From: "dcb314 at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/113396] [13/14 Regression] csmith: differences from -O2 to -O3 Date: Tue, 16 Jan 2024 08:46:40 +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: 14.0 X-Bugzilla-Keywords: needs-bisection, needs-reduction, wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: dcb314 at hotmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.3 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=3D113396 --- Comment #4 from David Binderman --- foundBugs $ ../results.20220116/bin/gcc -w -O2 bug998.c foundBugs $ ./a.out checksum =3D 77A231E6 foundBugs $ ../results.20220116/bin/gcc -w -O3 bug998.c foundBugs $ ./a.out checksum =3D 77A231E6 foundBugs $ ../results.20230205/bin/gcc -w -O2 bug998.c foundBugs $ ./a.out checksum =3D 77A231E6 foundBugs $ ../results.20230205/bin/gcc -w -O3 bug998.c foundBugs $ ./a.out checksum =3D 130B5204 foundBugs $=20 So it goes wrong sometime between g:90045c5df5b3c8853e7740fb72a11aead1c489bb and g:d042f118798ae0648b45f97e63b0e5ab7c82c8ef, a distance of 7403 commits.=