From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B82F73858D3C; Tue, 4 Jul 2023 15:11:13 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B82F73858D3C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688483473; bh=odh0teylD/ODSAfLh/+VaJ45pZ3urlfsp5KH05LAb6o=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Ohf4TE60j1ahVVzaiZbjivQJ1Q7fXDhOu6xDBHTuUhB273tJGJeI3zzCnLuS/n2rI fEvnisadq1EDeV1Kj29THX3xTfvLZqgoq2XYumBRkQzHAgOqykJjsz5QH5jxHmiDc6 dDXdB93qGDohQGq92UCVd/6t9N2V5M0xU/aXd+So= From: "slyfox at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/110228] [13/14 Regression] llvm-16 miscompiled due to an maybe uninitialized variable Date: Tue, 04 Jul 2023 15:11:13 +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: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: slyfox at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.2 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=3D110228 --- Comment #34 from Sergei Trofimovich --- (In reply to rguenther@suse.de from comment #33) > On Tue, 4 Jul 2023, slyfox at gcc dot gnu.org wrote: >=20 > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110228 > >=20 > > --- Comment #32 from Sergei Trofimovich --- > > (In reply to Richard Biener from comment #29) > > > I can't reproduce the original failure on trunk or with GCC 13.1, but= the > > > testcase from comment#16 is now fixed. I also cannot reproduce the t= estcase > > > from comment#21 before the fix. > > >=20 > > > Can people double-check this is now fixed, maybe also on the branch w= hen this > > > fix is cherry-picked? > >=20 > > Test suite on llvm-16 still fails the same single 'LLVM :: > > ExecutionEngine/JITLink/X86/MachO_weak_references.s' test for me.=20 > >=20 > > gcc was built from 2c12ccf800fc7890925402d30a02f0fa9e2627cc. >=20 > Can you try 819285ef10a87d663f8c181c06aa88d1d9f75aed - your small > testcase looks OK now. Ah, that commit fixes 'LLVM :: ExecutionEngine/JITLink/X86/MachO_weak_references.s' and the rest of llvm-16 test suite for me. Thank you!=