From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 93CD4385AC2B; Wed, 17 Nov 2021 00:32:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 93CD4385AC2B From: "joseph at codesourcery dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/103248] [12 Regression] ICE in operation_could_trap_helper_p, at tree-eh.c:2479 Date: Wed, 17 Nov 2021 00:32:56 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: joseph at codesourcery dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 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, 17 Nov 2021 00:32:56 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103248 --- Comment #11 from joseph at codesourcery dot com --- Division by zero is undefined behavior for fixed-point types the same way=20 as it is for integer types (but not floating point, at least when=20 infinities and NaN are supported). Treating it like integer division in=20 the compiler would seem reasonable.=