From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 03BF73851C04; Tue, 28 Apr 2020 08:12:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 03BF73851C04 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1588061554; bh=TxO6dLfRfJqKxEyCszMFu0rR7RganbdhQeaYrdAYpM4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=oAf1/xtpIGodL442tT8nBCQ85iOovklRTCuaCkb0H/T+6czYBkf9Q704eb3hes+5r STnF5j8OSqTtApzVuqEGta59QcjCMuspgWs6dEcO32N30wsKYorRM3Rtgm33QZJBjv WE+hjh8Lx+TYSKoxb7oT7DF8iBWSyoVrCAo7dld0= From: "juergen.reuter at desy dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/94788] [8/9 Regression] Severe regression leading to double free in tcache Date: Tue, 28 Apr 2020 08:12:33 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 9.3.1 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: juergen.reuter at desy dot de X-Bugzilla-Status: WAITING X-Bugzilla-Resolution: X-Bugzilla-Priority: P4 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 9.4 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: Tue, 28 Apr 2020 08:12:34 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94788 --- Comment #25 from J=C3=BCrgen Reuter --- (In reply to Thomas Koenig from comment #23) > (In reply to J=C3=BCrgen Reuter from comment #20) > > Thanks a lot for reverting, Thomas, shall I further reduce the reproduc= er, > > or can you work with it now? >=20 > I could use it to confirm that there is a bug, but the test case is > far too complex for analysis, and it is also not possible to put > it in the testsuite. So, at the moment, work on PR 93956 (a F95 wrong-co= de > bug, hence a high priority) is effectively blocked. >=20 > So yes, I would appreciate a shorter reproducer, especially since > I plan to revisit the whole span and pointer area once gcc 10 > is out of the door. >=20 > So, I'll mark this bug as WAITING for now. Ok, Simon and I try our best, working independently, me reducing the existi= ng case further, and he tries to write a small reproducer from scratch.=