From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id BEDCC38582A4; Wed, 2 Aug 2023 22:23:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org BEDCC38582A4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1691015021; bh=roU5TgQ3uD+IhLtYUx3M/t2GvUA8tsD8/e/LjE98FoI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=hpxxzN30z/FN0oMIiIA23X33UkBaC9JNEmvHKG6E/W4s7pvrjBGkEiMAxvH3anEho 1rSbINLcfjFjuiV4EnAdw2zn4PAXMrS+qR9SsPBHHJ/W4ZKygR4hNgbmiYvWDoIFgs wqi1hRdmTMqvKQq5p4eMDI5vt7cVMsi4JhKMROEw= From: "dmalcolm at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug analyzer/110882] ICE with -fanalyzer on zero-sized array Date: Wed, 02 Aug 2023 22:23:41 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: analyzer X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: dmalcolm at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: dmalcolm 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110882 --- Comment #1 from David Malcolm --- It's failing this assertion: #1 0x00000000016e2295 in ana::binding_key::make (mgr=3D0x7fffffff91d8, r=3D0x3275340) at ../../src/gcc/analyzer/store.cc:132 132 gcc_assert (bit_size > 0); (gdb) list 127 { 128 bit_size_t bit_size; 129 if (r->get_bit_size (&bit_size)) 130 { 131 /* Must be non-empty. */ 132 gcc_assert (bit_size > 0); 133 return mgr->get_concrete_binding (offset.get_bit_offset (= ), 134 bit_size); 135 } 136 else=