From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BDF3D3858429; Mon, 13 Sep 2021 02:48:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BDF3D3858429 From: "jason at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/96184] [11/12 Regression] GCC treats "use of local variable with automatic storage from containing function" differently in versions Date: Mon, 13 Sep 2021 02:48:36 +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: 11.0 X-Bugzilla-Keywords: rejects-valid X-Bugzilla-Severity: normal X-Bugzilla-Who: jason at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: jason at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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: Mon, 13 Sep 2021 02:48:36 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96184 --- Comment #5 from Jason Merrill --- Created attachment 51446 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D51446&action=3Dedit fix that causes regressions This patch fixes this testcase, but regresses the testcases from PR91506 and PR41786 due to giving the error during tentative parsing, before the tentat= ive parse fails and we parse the statement again as a (well-formed) expression.= =20 Addressing that would be a lot more work than this obscure borderline bug merits.=