From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 2BCFA3938C29; Fri, 1 May 2020 12:27:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2BCFA3938C29 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1588336044; bh=sZC2euJpQbxLR9dJ9lOi+8WJ1BpVn6+pg33GKXuiYBw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=yasuWleULt4GTxZWlo+VLzXtIwjiv6r96qBL6KgiR9tJ6Gcmdz8vh/QMwJBscFTMu 35ybyU6RP3ScCGGVdLf4QmYiveTvJPei+qJjxl1qoHA7OtYpAD4yO7S2lG7OIHOmac yO3937zhB6qregEi6dBNBVkXc0lMpaOvcDORH2OA= From: "tkoenig at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/94788] [8/9 Regression] Severe regression leading to double free in tcache Date: Fri, 01 May 2020 12:27:23 +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: tkoenig at gcc dot gnu.org X-Bugzilla-Status: NEW 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: Fri, 01 May 2020 12:27:24 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94788 --- Comment #40 from Thomas Koenig --- Yes, that test case works. Thanks a lot for putting in all the effort! Because we need -fsanitize=3Daddress to reliably detect this bug, I have proposed https://gcc.gnu.org/pipermail/gcc-patches/2020-May/544975.html which introduces such a gfortran.dg/asan directory where this can be tested.=