From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E34C438432E2; Sat, 10 Dec 2022 21:02:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E34C438432E2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1670706149; bh=aw3MyO59kKP6JvbcxwQLnh4LPb+KF826PbQeG1U5cPo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=peE7JpgQTSsZK7i4kIUNI7otVriSQ5BmMIO3u36lBD5xXfR4R/l0K2f1h39cwHwAU VpZkVLYpn9/erxeYL6gOnSTIQCkG+hzzcqgb/TuknnhtyVWcxWo0/WthT2249VyXQp rknA/dTYInBx2xmC0+SwaMsHLknxQVvRyBun5uU8= From: "anlauf at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/106911] ICE in gfc_convert_mpz_to_signed, at fortran/simplify.cc:193 Date: Sat, 10 Dec 2022 21:02:29 +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: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: anlauf at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to 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=3D106911 anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |anlauf at gcc dot g= nu.org Status|NEW |ASSIGNED --- Comment #3 from anlauf at gcc dot gnu.org --- This is better: diff --git a/gcc/fortran/simplify.cc b/gcc/fortran/simplify.cc index aff9a1b8ced..2c75605ca08 100644 --- a/gcc/fortran/simplify.cc +++ b/gcc/fortran/simplify.cc @@ -3955,6 +3955,9 @@ gfc_simplify_ishftc (gfc_expr *e, gfc_expr *s, gfc_ex= pr *sz) return NULL; gfc_extract_int (sz, &ssize); + + if (ssize > isize || ssize <=3D 0) + return &gfc_bad_expr; } else ssize =3D isize; Regtested OK. Taking.=