From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32122 invoked by alias); 24 Jun 2011 10:25:22 -0000 Received: (qmail 32111 invoked by uid 22791); 24 Jun 2011 10:25:22 -0000 X-SWARE-Spam-Status: No, hits=-2.7 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; Fri, 24 Jun 2011 10:25:08 +0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/46400] g++ Segmentation Fault on heavily templated project. X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: ice-on-invalid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: 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 Date: Fri, 24 Jun 2011 10:25:00 -0000 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: 2011-06/txt/msg02158.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46400 --- Comment #9 from Jakub Jelinek 2011-06-24 10:24:36 UTC --- Created attachment 24590 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24590 gcc47-pr46400.patch This seems to fix it for me, otherwise untested. TREE_CHAIN for types, if I understand it right, is either NULL, or contains TYPE_DECL, so IMHO it doesn't make much sense to consider it as chain_next. Even if the TYPE_DECL has a long TYPE_CHAIN itself, that long chain would be handled when handling the TYPE_DECL, so would result in at most one extra frame. But TYPE_NEXT_VARIANT is potentially long chain.