From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id B90F2385841D; Thu, 20 Jan 2022 09:56:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B90F2385841D From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/102414] [12 Regression] ICE in unify_array_domain, at cp/pt.c:23442 since r12-1933-ge66d0b7b87d105d2 Date: Thu, 20 Jan 2022 09:56:21 +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: 12.0 X-Bugzilla-Keywords: ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: mpolacek at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: priority 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: Thu, 20 Jan 2022 09:56:21 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102414 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P1 --- Comment #2 from Richard Biener --- GCC 11 rejects the code, so does clang t.ii: In function 'void f()': t.ii:4:14: warning: division by zero [-Wdiv-by-zero] 4 | auto (*b)[0/0] =3D &a; | ~^~ t.ii:4:10: error: 'b' declared as array of 'auto' 4 | auto (*b)[0/0] =3D &a; | ^=