From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E6BF33858D1E; Mon, 6 Feb 2023 13:37:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E6BF33858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1675690644; bh=HXNW4u58ksVRMV7sSaBLHvXQgB7LhR2/NU+8HP3S6LM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=wpMlUjRWiYTTPQu2OtdJv9R0ZD3wpZpg8nHMunxKAolmorejMsS7MYD5T09nP0Olz rKYMLjLC6FhKNcXx7Gt5Rp4VkXesvk6H59OnOTkk1u4abxakj0PU7cDGxouVNmLzJQ MAp4QgqLRnrEA9uVg5aW0cXhGgl83Xw5KqK5Ggdo= From: "dcb314 at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/108657] csmith: possible wrong checksum with -O3 and -ftrivial-auto-var-init=zero Date: Mon, 06 Feb 2023 13:37:24 +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: 13.0 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: --- 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=3D108657 --- Comment #8 from David Binderman --- (In reply to David Binderman from comment #7) > I will have a look at how to get at dates before the clone date. I used snapshots instead. I tried 20221002, and got $ ./results.20221002/bin/gcc -w -O3 -ftrivial-auto-var-init=3Dzero=20 ~/gcc/foundBugs/bug880.c && ./a.out checksum =3D BCC02729 $ ./results.20221002/bin/gcc -v 2>&1 | fgrep exp gcc version 13.0.0 20221002 (experimental) (GCC)=20 $=