From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12002 invoked by alias); 4 Jul 2011 09:37:30 -0000 Received: (qmail 11989 invoked by uid 22791); 4 Jul 2011 09:37:30 -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; Mon, 04 Jul 2011 09:37:16 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/49622] [4.4 Regression] Compiler segfault X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth 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: 4.4.7 X-Bugzilla-Changed-Fields: Target Status Last reconfirmed Component Known to work Target Milestone Summary 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 Date: Mon, 04 Jul 2011 09:37:00 -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: 2011-07/txt/msg00173.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49622 Richard Guenther changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |x86_64-*-* Status|UNCONFIRMED |NEW Last reconfirmed| |2011.07.04 09:37:11 Component|c |tree-optimization Known to work| |4.3.6, 4.5.0 Target Milestone|--- |4.4.7 Summary|Compiler segfault |[4.4 Regression] Compiler | |segfault Ever Confirmed|0 |1 --- Comment #3 from Richard Guenther 2011-07-04 09:37:11 UTC --- Checking enabled it ICEs at #2 0x00000000009ffede in execute_todo (flags=7) at /space/rguenther/src/svn/gcc-4_4-branch/gcc/passes.c:1017 1017 gcc_assert (flags & TODO_update_ssa_any); after FRE: Inserted pretmp.47_13 = VIEW_CONVERT_EXPR(D.6253); in predecessor 2 Replaced p.i with pretmp.47_13 in D.6236_2 = p.i; Replaced p.i with pretmp.47_13 in D.6236_5 = p.i; D.6253 should be an SSA name. I suppose a DECL_GIMPLE_REG_P setting is missing somewhere.