From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8675 invoked by alias); 23 Oct 2007 21:28:32 -0000 Received: (qmail 8605 invoked by uid 48); 23 Oct 2007 21:28:19 -0000 Date: Tue, 23 Oct 2007 21:28:00 -0000 Message-ID: <20071023212819.8604.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/33870] [4.3 Regression] miscompiles sqlite In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "rguenth at gcc dot gnu dot org" 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: 2007-10/txt/msg02111.txt.bz2 ------- Comment #10 from rguenth at gcc dot gnu dot org 2007-10-23 21:28 ------- And sadly the following doesn't help. Index: tree-ssa-structalias.c =================================================================== --- tree-ssa-structalias.c (revision 129582) +++ tree-ssa-structalias.c (working copy) @@ -4738,7 +4738,8 @@ set_uids_in_ptset (tree ptr, bitmap into var_alias_set = get_alias_set (sft); if (no_tbaa_pruning || (!is_derefed && !vi->directly_dereferenced) - || alias_sets_conflict_p (ptr_alias_set, var_alias_set)) + || alias_sets_conflict_p (ptr_alias_set, var_alias_set) + || vi->offset == 0) bitmap_set_bit (into, DECL_UID (sft)); } } -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33870