From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 272213851C39; Wed, 9 Dec 2020 18:43:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 272213851C39 From: "svoboda at cert dot org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/98217] Prefer a warning for when VLAs declared on stack Date: Wed, 09 Dec 2020 18:43:17 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 10.2.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: enhancement X-Bugzilla-Who: svoboda at cert dot org X-Bugzilla-Status: WAITING 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 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: Wed, 09 Dec 2020 18:43:17 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98217 --- Comment #4 from David Svoboda --- Martin: Thanks. It looks like -Wvla-larger-than=3D0 is (theoretically) a good way to catch VLA stack declarations. There is still the issue that GCC's -Wvla did not flag use of array[*]. To= me that is lower-priority, but is still an issue.=