From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22037 invoked by alias); 2 Mar 2010 07:44:41 -0000 Received: (qmail 21855 invoked by alias); 2 Mar 2010 07:44:25 -0000 Date: Tue, 02 Mar 2010 07:44:00 -0000 Message-ID: <20100302074425.21854.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/43220] [4.3/4.4 Regression] Paritially optimized __builtin_save_stack/__builtin_restore_stack causes segmentation fault In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "jakub 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: 2010-03/txt/msg00131.txt.bz2 ------- Comment #5 from jakub at gcc dot gnu dot org 2010-03-02 07:44 ------- Subject: Bug 43220 Author: jakub Date: Tue Mar 2 07:44:03 2010 New Revision: 157160 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157160 Log: Backport from mainline: 2010-03-01 Richard Guenther PR tree-optimization/43220 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize BUILT_IN_STACK_{SAVE,RESTORE} around alloca. * gcc.c-torture/execute/pr43220.c: New testcase. Added: branches/gcc-4_4-branch/gcc/testsuite/gcc.c-torture/execute/pr43220.c Modified: branches/gcc-4_4-branch/gcc/ChangeLog branches/gcc-4_4-branch/gcc/testsuite/ChangeLog branches/gcc-4_4-branch/gcc/tree-ssa-ccp.c -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43220