From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5820 invoked by alias); 17 Apr 2007 05:33:58 -0000 Received: (qmail 5787 invoked by alias); 17 Apr 2007 05:33:49 -0000 Date: Tue, 17 Apr 2007 05:33:00 -0000 Message-ID: <20070417053349.5786.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/31522] False overflow warning with phi nodes In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "ian 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: 2007-04/txt/msg01184.txt.bz2 ------- Comment #10 from ian at gcc dot gnu dot org 2007-04-17 06:33 ------- Subject: Bug 31522 Author: ian Date: Tue Apr 17 06:33:38 2007 New Revision: 123908 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123908 Log: ./: PR tree-optimization/31522 * tree-vrp.c (vr_phi_edge_counts): New static variable. (vrp_initialize): Allocate vr_phi_edge_counts. (vrp_visit_phi_node): Don't push to infinity if we saw a new executable edge. Drop test for all constants. (vrp_finalize): Free vrp_phi_edge_counts. testsuite/: PR tree-optimization/31522 * gcc.dg/Wstrict-overflow-16.c: New test. Added: trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-16.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-vrp.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31522