From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E92EC3858D28; Wed, 25 Jan 2023 20:14:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E92EC3858D28 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1674677684; bh=oH7IaEM/P1YGx9a4xqy08P3R6PJfPOOfBPw3vRv2SNg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=cyLOlfD7CjALMNrs0Yu0r2c6aCY6Tqep8ptn3sN0LyKhrq6pu2hY0DYsGlzOwSVVq 3u+MsjIWCXPf9g7BvvsaVuIJCqbjiKBGDJ+ZxQKoJJLKcL5a0PFDy6JNP7DP1moZAq fy7Imria8NiiFwZBXNndDIP4g4HQdSoSpasuPVzs= From: "anlauf at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/108544] ICE in check_host_association, at fortran/resolve.cc:6135 Date: Wed, 25 Jan 2023 20:14:44 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: anlauf at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc everconfirmed cf_reconfirmed_on 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=3D108544 anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |anlauf at gcc dot gnu.org Ever confirmed|0 |1 Last reconfirmed| |2023-01-25 Status|UNCONFIRMED |NEW --- Comment #1 from anlauf at gcc dot gnu.org --- Confirmed. The following patch avoids a NULL pointer dereference: diff --git a/gcc/fortran/resolve.cc b/gcc/fortran/resolve.cc index 94213cd3cd4..c6f12bfecdb 100644 --- a/gcc/fortran/resolve.cc +++ b/gcc/fortran/resolve.cc @@ -6132,6 +6138,9 @@ check_host_association (gfc_expr *e) return false; } + if (ref =3D=3D NULL) + return false; + gcc_assert (ref->type =3D=3D REF_ARRAY); /* Grab the start expressions from the array ref and=