From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9480 invoked by alias); 14 Aug 2011 13:11:20 -0000 Received: (qmail 9352 invoked by uid 22791); 14 Aug 2011 13:11:18 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sun, 14 Aug 2011 13:11:03 +0000 From: "janus at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/50070] Segmentation fault at size_binop_loc in fold-const.c Date: Sun, 14 Aug 2011 13:21:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Keywords: ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: janus at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: janus at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status Last reconfirmed AssignedTo Ever Confirmed Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2011-08/txt/msg01295.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50070 janus at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2011-08-14 AssignedTo|unassigned at gcc dot |janus at gcc dot gnu.org |gnu.org | Ever Confirmed|0 |1 --- Comment #6 from janus at gcc dot gnu.org 2011-08-14 13:10:57 UTC --- Here is a preliminary patch which rejects the original test case: Index: gcc/fortran/resolve.c =================================================================== --- gcc/fortran/resolve.c (revision 177744) +++ gcc/fortran/resolve.c (working copy) @@ -858,6 +858,12 @@ resolve_common_vars (gfc_symbol *sym, bool named_c &csym->declared_at); } + /* F08:C5100. */ + if (csym->ts.type == BT_CHARACTER + && !gfc_is_constant_expr (csym->ts.u.cl->length)) + gfc_error_now ("Automatic object %s at %L may not be in a COMMON block", + csym->name, &csym->declared_at); + if (csym->ts.type != BT_DERIVED) continue;