From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D9B773857C4F; Tue, 9 Apr 2024 07:32:58 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D9B773857C4F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1712647978; bh=d4xZphDU51J12XBPOLPaEKoWVVjkEyvpSm70RTjVip8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=bKUFewns7vitNMS0MNC5Lf5fLs6Dkt5iatQRQzqQj/re1c0dCa39zWA6lIRw/EEnx uR5vdbt9w73hsiwFtqSjbZSSNNsR9KxVSbHdOYG6Ws34XQSsDHQNnzAJ/Yyqe0Ke6h HqRcgKk/P3ExmsDml7REngeNkGj9Iq2PDh6jiXDw= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/88058] gcc fails to detect use of out of scope variable ? Date: Tue, 09 Apr 2024 07:32:57 +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: 8.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: DUPLICATE X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: resolution target_milestone bug_status 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=3D88058 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |DUPLICATE Target Milestone|--- |12.0 Status|NEW |RESOLVED --- Comment #3 from Andrew Pinski --- GCC 12 adds: : In function 'f': :16:9: warning: dangling pointer 'p2' to 'buf' may be used [-Wdangling-pointer=3D] 16 | g( p2); // Bang ! | ^~~~~~ :12:22: note: 'buf' declared here 12 | char buf[ 10]; | ^~~ Which makes this a dup of bug 63272. *** This bug has been marked as a duplicate of bug 63272 ***=