From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30770 invoked by alias); 19 Dec 2008 00:44:51 -0000 Received: (qmail 30331 invoked by uid 48); 19 Dec 2008 00:43:27 -0000 Date: Fri, 19 Dec 2008 00:44:00 -0000 Message-ID: <20081219004327.30330.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/38492] [graphite] segfaulting code when compiled with -fgraphite -fgraphite-identity In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jv244 at cam dot ac dot uk" 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: 2008-12/txt/msg01818.txt.bz2 ------- Comment #7 from jv244 at cam dot ac dot uk 2008-12-19 00:43 ------- (In reply to comment #6) > I looked into this failure. It fails because the number of iterations cannot be > computed (chrec_unknown) when the loop domain is translated, and is ignored by > scan_tree_for_params. In general it can be dangerous to throw away > chrec_unknown, because it may code that we must generate. tested the patch, and seems to do its job on the testcase here. That's great. The code in PR38431 also compiles with the patch, but is still segfaulting at runtime, however. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38492