From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20774 invoked by alias); 29 Nov 2011 05:28:59 -0000 Received: (qmail 20763 invoked by uid 22791); 29 Nov 2011 05:28:58 -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; Tue, 29 Nov 2011 05:28:43 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/51321] __builtin_types_compatible_p (any_type_t[1][], any_other_type_t) crashes GCC Date: Tue, 29 Nov 2011 08:14:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: error-recovery, ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: pinskia at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status AssignedTo 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: 2011-11/txt/msg02737.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51321 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED AssignedTo|unassigned at gcc dot |pinskia at gcc dot gnu.org |gnu.org | --- Comment #3 from Andrew Pinski 2011-11-29 05:28:24 UTC --- Semi-obvious patch: Index: c-parser.c =================================================================== --- c-parser.c (revision 181796) +++ c-parser.c (working copy) @@ -6568,9 +6568,16 @@ c_parser_postfix_expression (c_parser *p "expected %<)%>"); { tree e1, e2; + e1 = groktypename (t1, NULL, NULL); + e2 = groktypename (t2, NULL, NULL); + if (e1 == error_mark_node || e2 == error_mark_node) + { + expr.value = error_mark_node; + break; + } - e1 = TYPE_MAIN_VARIANT (groktypename (t1, NULL, NULL)); - e2 = TYPE_MAIN_VARIANT (groktypename (t2, NULL, NULL)); + e1 = TYPE_MAIN_VARIANT (e1); + e2 = TYPE_MAIN_VARIANT (e2); expr.value = comptypes (e1, e2) ? integer_one_node : integer_zero_node;